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Khushboo asked a question
Subject: Maths, asked on on 7/8/17
Can any expert solve this :
Akbar Khan asked a question
Subject: Maths, asked on on 14/8/17
Q6 please solve
Akbar Khan asked a question
Subject: Maths, asked on on 14/8/17
Pls solve Q5
Arti Sharma asked a question
Subject: Maths, asked on on 31/5/18
Q34. If a + b - c = 5 and a2 + b2 + c2 = 29, find the value of ab - bc - ca.
Q35. If a - b = 7 and a2 + b2 = 85, then find the value of a3 - b3.
Arpita Maurya asked a question
Subject: Maths, asked on on 9/8/19
If x^2+1/25x^2=43/5,find x+1/5x.
Plz give me answer fast very urgent 
Mohd Qamar asked a question
Subject: Maths, asked on on 22/5/18
If x2+ 1/x2= 27, find the value of x-1/x.
Mack Furtado asked a question
Subject: Maths, asked on on 18/3/18
If (3a+4b)=16 and ab=4. Find (9a^2+16b^2)
Mohd Qamar asked a question
Subject: Maths, asked on on 18/5/18
If a-b = 3 & ab =4, find a3+ b3.
I Luv... ♥️😍(joker) ... asked a question
Subject: Maths, asked on on 22/8/20
Hello.... Sagar come here...
Misty Singh asked a question
Subject: Maths, asked on on 16/7/18
please give me all the formulas for expansions
Moksh Gudgud asked a question
Subject: Maths, asked on on 7/6/18
Please solve the following question fast ....it's very urgent
Find the coefficient of x square in the expansion of (x square +2x+3) whole square +( x square - 2x+3) whole square
Please show me how to solve the answer taking (x square+3) as (a) and 2x as (b) and using the formula (a+b) whole square and (a-b) whole square
Vansh Tevatia asked a question
Subject: Maths, asked on on 26/8/17
If a + b + c = 0 prove that a^3 + b^3 + c^3 = 3abc
Divyansh Sahay asked a question
Subject: Maths, asked on on 28/5/18
Solve this:
Q.12. If 2x - 3y = 10 and xy = 16; find the value of 8x3-27y3.
 
Sanjani asked a question
Subject: Maths, asked on on 17/4/18
find the value
1.81*1.81-1.81*2.19+2.19*2.19
Sanjay asked a question
Subject: Maths, asked on on 18/10/18
Cube root a + cube root b +cube root c = 0 then what is (a+b+c)whole cube
Pranjal Singh asked a question
Subject: Maths, asked on on 26/5/19
(2x+3y)(4x^2-6xy+9y^2)
Please solve this.
Kalpana asked a question
Subject: Maths, asked on on 4/6/18
If x^2 + 1+x^2 = 27 find the value of x - 1+ x X square + 1 by x square equal to 27 find
Hiranmay asked a question
Subject: Maths, asked on on 1/10/17
Plz help with the solution
Mohd Qamar asked a question
Subject: Maths, asked on on 17/5/18
If 2a+3b=7 &ab=2, find the 4a2 + 9b2
Mehul Srivastava asked a question
Subject: Maths, asked on on 7/4/19
if a+b=4; ab=-12, find (i)a-b (ii)a2-b2
Mehul Srivastava asked a question
Subject: Maths, asked on on 29/9/19
if x2+ 1/x2 = 83, find the value of x3- 1/x3 
Anwesha Ghosh asked a question
Subject: Maths, asked on on 5/1/18
what are the main teachings of kabir?
​how did persian becaome an important language in india?
​describe the origin and development of urdu as a new language in mideaval period?
name three urdu poets of mideaval period?
what was the outcome of bhakti movement?
mention two factors that contributed to the development of modern languages in the mideaval period?
name two poets of persian language during the sultanate period
 
Mohd Qamar asked a question
Subject: Maths, asked on on 19/5/18
If 2a -3b=3 & ab=2 , find the value of 8a3-27b3.
Aditi Bhasin asked a question
Subject: Maths, asked on on 5/4/18
The difference between two positive numbers is 5 and the sum of their squares is 73 . Find the product of these numbers.
Akbar Ali Agwan asked a question
Subject: Maths, asked on on 28/4/18
Please solve 22-37
Amolika Srivastava asked a question
Subject: Maths, asked on on 24/4/18
Expand:
(2x-1/x)(3x+2/x)
Rohitkumar & 1 other asked a question
Subject: Maths, asked on on 14/7/18
A+b+2c=0,prove that a3+b3+8c3=6abc
Soham Chanda asked a question
Subject: Maths, asked on on 16/9/19
All the marked sums please . Tommorow is my maths half yearly examination
Purna Chandra Shaker asked a question
Subject: Maths, asked on on 7/11/17
3a-4b find square
Akbar Ali Agwan asked a question
Subject: Maths, asked on on 28/4/18
Please solve 24-31

​Q24. Use (a –b)2 = a2 – 2ab + b2 to evaluate the following:

           (i) (99)2                      (ii) (997)2                       (iii) (9.8)2.



Q25. By using suitable identities, evaluate the following:

         (i) (103)3                      (ii) (99)3                         (iii) (10.1)3


Q26. If 2a – b + c = 0 , prove that 4a2 – b2 + c2 + 4ac = 0.

              Hint. 2a – b + c = 0 ⇒2a + c = b ⇒(2a + c)2 = b2.


Q27. If  a + b + 2c = 0. prove that a3 + b3 + 8c3 = 6abc.



Q28. If a + b + c = 0, then find the value of a2bc+b2ca+c2ab.


Q29. If x + y = 4, then find the value of x3 + y3 + 12xy – 64.


Q30. Without actually calculating the cubes, find the values of :

               (i) (27)3 + (–17)3 + (–10)3                               (ii) (–28)3 + (15)3 + (13)3.


Q31. Using suitable identify, find the value of :

          86×86×86 +14×14×1486×86-86 ×14+14×14
 
Dhruvi Gaira asked a question
Subject: Maths, asked on on 26/4/18
By using suitable identities, evaluate the following:
(997)square
Moksh Gudgud asked a question
Subject: Maths, asked on on 13/6/18
Anyone please help me with this question :
If x square +1/4x square =8 find x cube +1/8x cube
Vijeta Mohanty asked a question
Subject: Maths, asked on on 19/4/18
Q. Expand -            
(3x - 5y - 2z)(3x - 5y + 2z)
Pinky Shrivas asked a question
Subject: Maths, asked on on 6/5/18
Q). If a + 2b = 5, prove that a3+8b3+30ab=125.
Sowmi asked a question
Subject: Maths, asked on on 11/12/18
Solve the problem fast
Soham Chanda asked a question
Subject: Maths, asked on on 8/7/19
Q5 please answer . I have my maths exam after an hour.

5. If 2x = 3y – 5, then find the value of 8x3 – 27y3 – 90xy + 125.
Moksh Gudgud asked a question
Subject: Maths, asked on on 10/6/18
Find the expansion of the following :
(x+y-1) whole cube
Sanjani asked a question
Subject: Maths, asked on on 30/7/18
if a+1/a=25/12 and a>1 then find the value of a3-1/a3
Sachi asked a question
Subject: Maths, asked on on 31/3/18
If x^2-6x-1=0, find x^3-1/x^3
Avi Nash asked a question
Subject: Maths, asked on on 29/4/18
Q. How did you do that  78x + 45y2
Mohd Qamar asked a question
Subject: Maths, asked on on 17/5/18
If a+b =4 and ab=12 ,find a- b & a2- b2
Kul Chauhan asked a question
Subject: Maths, asked on on 21/10/19
Ankit is twice as old as his son in 4 years he will be four times as old as what his son was 9 years ago find present ages of both of them
Ayush asked a question
Subject: Maths, asked on on 25/4/18
Solve question 14


14.  A number consists of two digits , the difference of whose digits is 3. If 4 times the number is equal to 7 times the number obtained by reversing the digits, find the number.

[Hint. Original number is greater than the number obtained by reversing its digits. In original number, ten's digit is greater than unit's digit.]
Afreen ..... asked a question
Subject: Maths, asked on on 29/8/20
1 question solve plzz
Jannat asked a question
Subject: Maths, asked on on 8/9/20
Virat please reply me!!!!!
Akbar Ali Agwan asked a question
Subject: Maths, asked on on 28/4/18
Please solve 1-21
Shaik Mohammed Althaf asked a question
Subject: Maths, asked on on 14/11/17
solve all this is a challenge for genius
Harshal Kamthe asked a question
Subject: Maths, asked on on 23/9/17
What is abc?
Bhakti Dhongade asked a question
Subject: Maths, asked on on 9/6/18
If ( 3a + 4b ) =16 and ab = 4 , find the value of ( 9a^2 + 16b^2 ).
Vrishti Rajput asked a question
Subject: Maths, asked on on 16/5/19
if a minus 2 b + 3 C is equal to zero find the value of a cube minus 8 b cube + 27 C cube
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