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Sneha Ranjan
Subject: Maths
, asked on 31/12/17
Q.
Identify the like terms :-
$2xy,-6x{y}^{2},xy,{x}^{2}y,yx,-9xy,41,11y{x}^{2},10xy,72y,81x,15y,19x{y}^{2}$
Answer
1
Manan Sanghani
Subject: Maths
, asked on 28/12/17
What is the synonym of quadrinomial
Answer
2
Santanu Sahoo
Subject: Maths
, asked on 25/12/17
If
$\left(\frac{2x-y}{x+2y}\right)=\frac{1}{2}$
, then find the value of
$\left(\frac{3x-y}{3x+y}\right)$
.
Answer
2
Santanu Sahoo
Subject: Maths
, asked on 20/12/17
I HAD THE FOLLOWING QUESTION, BUT I AM HAVING A DOUBT IN UNDERSTANDING THE FOLLOWING SOLUTION: SOLUTION BY EXPERT IS GIVEN AT THE BOTTOM::QUESTION ASKED WAS::
Give a formal proof and a geometrical proof for the following:
a
^{2}
-b
^{2}
=(a+b)(a-b)
Answer
1
Siya Talwar
Subject: Maths
, asked on 20/12/17
Q102. If 4x
^{2}
+ y
^{2}
= 40 and xy = 6, the value of (2x + y) is
(A) 8 (B) -8
(C)
$\pm $
8 (D) None of these.
Q103. If x
^{2}
+ y
^{2}
= 29 and xy = 2, the value of (x
^{4}
+ y
^{4}
) is
(A) 821 (B) 823
(C) 831 (D) 833
Answer
5
Siya Talwar
Subject: Maths
, asked on 20/12/17
Solve this:
Q). What is the value of 'b' for which
$\left(4{x}^{2}-20x+20+b\right)$
is whole square?
Answer
1
Santanu Sahoo
Subject: Maths
, asked on 20/12/17
Give a formal proof and a geometrical proof for the following:
a
^{2}
- b
^{2}
= (a-b)(a+b)
Please don't prove this by taking examples, I ned a formal and geometrical proof for this... FAST.
Answer
1
Santanu Sahoo
Subject: Maths
, asked on 19/12/17
I sincerely request only the experts to solve this:
Q). If
$3x+\frac{1}{2x}=5$
, then find the value of
$8{x}^{3}+\frac{1}{27{x}^{3}}$
.
Answer
1
Siddhika Shaw
Subject: Maths
, asked on 12/12/17
2^3+2^3+2^3+2^3+2^3 is equal to
Answer
1
Siddhika Shaw
Subject: Maths
, asked on 12/12/17
If X=5 and Y=x+7, then value of Square root of X^2+Y^2
Answer
1
Siddhika Shaw
Subject: Maths
, asked on 12/12/17
On simplification the product of (x-1/x)(X+1/x)(X^2+1/X^2) is
Answer
1
Siddhika Shaw
Subject: Maths
, asked on 12/12/17
The Degree of (6x^2-7x^3+3x^2+2x-1)
Answer
1
Pranit Shetty
Subject: Maths
, asked on 11/12/17
Is the coefficient of y square in the expression -3x square y+7xy square+31 is 7x ?If yes,then why?
Answer
1
Riyaz
Subject: Maths
, asked on 9/12/17
please solve
15-3(x+1)=6
Answer
1
Damaraju Venkata Nagendra
Subject: Maths
, asked on 27/11/17
Ans 36
36. Tanya and Priya left Town P and travelled in opposite directions to Town Q and Town R respectively at 7:30 a.m. Tanya was travelling at a speed of 68 km/hr while Priya was travelling at a speed of 52 km/hr. How far apart are they at 9:30 a.m.?
A. 320 km
B. 230 km
C. 136 km
D. 240 km
Answer
2
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What are you looking for?

Give a formal proof and a geometrical proof for the following:

a

^{2}-b^{2}=(a+b)(a-b)^{2}+ y^{2}= 40 and xy = 6, the value of (2x + y) is(A) 8 (B) -8

(C) $\pm $8 (D) None of these.

Q103. If x

^{2}+ y^{2}= 29 and xy = 2, the value of (x^{4}+ y^{4}) is(A) 821 (B) 823

(C) 831 (D) 833

Q). What is the value of 'b' for which $\left(4{x}^{2}-20x+20+b\right)$ is whole square?

- a

Please don't prove this by taking examples, I ned a formal and geometrical proof for this... FAST.^{2}- b^{2} = (a-b)(a+b)Q). If $3x+\frac{1}{2x}=5$, then find the value of $8{x}^{3}+\frac{1}{27{x}^{3}}$.

15-3(x+1)=6

36. Tanya and Priya left Town P and travelled in opposite directions to Town Q and Town R respectively at 7:30 a.m. Tanya was travelling at a speed of 68 km/hr while Priya was travelling at a speed of 52 km/hr. How far apart are they at 9:30 a.m.?

A. 320 km

B. 230 km

C. 136 km

D. 240 km