NCERT Solutions
Board Paper Solutions
Ask & Answer
School Talk
Login
GET APP
Login
Create Account
Popular
Latest
Expert Answers
ALL
Maruf Ahmed
Subject: Maths
, asked on 12/3/18
Is x
^{2}
a
Polynomial
?
Answer
1
Op Goel
Subject: Maths
, asked on 25/2/18
Hi experts. Simplify the expression {-a[a+{a+b-2a(a-2b)}-b]
Answer
2
Op Goel
Subject: Maths
, asked on 25/2/18
Hi experts. Simplify the equation [-m-[m+n-2m-(m+2n)]-n]]
Answer
2
Anandh True
Subject: Maths
, asked on 24/2/18
Plz simplify this question fast.
4r2 (3r-5)-2r2(6r-10) . ( the 2 after 4r and 2r are squared.)
Answer
2
Lekisha Gupta
Subject: Maths
, asked on 15/2/18
Q. Find the value of k if the expression 2a^2 - 3a + 7k = 12 at a = -2.
Answer
1
Amrita Sinha
Subject: Maths
, asked on 11/2/18
Pls solve 4 and 5
Q4. (a) What should be added to x
^{2}
+ xy + y
^{2}
to obtain 2x
^{2}
+ 3xy?
(b) What should be subtracted from 2a + 8b + 10 to get – 3a + 7b + 16 ?
Q5. What should be taken away from 3x
^{2}
– 4y
^{2}
+ 5 xy + 20 to obtain – x
^{2}
^{ }
– y
^{2}
+ 6xy + 20 ?
Answer
1
Amrita Sinha
Subject: Maths
, asked on 11/2/18
Q. What should be added to
${x}^{2}+xy+{y}^{2}toobtain2{x}^{2}+3xy?$
Answer
2
Amrita Sinha
Subject: Maths
, asked on 11/2/18
How to subtract an algebric expression?
Answer
2
Amrita Sinha
Subject: Maths
, asked on 11/2/18
Add
3mn,-5mn,8mn,-4mn
Answer
4
Avik Mandal
Subject: Maths
, asked on 4/2/18
Simplify:
$\frac{5{x}^{7}{y}^{5}\times {\left(10{a}^{3}{x}^{2}\right)}^{-3}}{\left(2{x}^{5}{y}^{3}\right)\times {\left(6{a}^{2}y\right)}^{-2}}$
Answer
2
Santanu Sahoo
Subject: Maths
, asked on 1/2/18
MeritNation,
Before some time, one of the Meritnation experts, I.E Brijendra pal sir, had answered one of my queries. But, the answer to the same was having some error, so I want him to recheck the following again. I have highlighted the error part in red colour.
Answer
1
Santanu Sahoo
Subject: Maths
, asked on 1/2/18
Solve the following:
$Ifx+\frac{1}{x}=-1,thenfindthevalueof{x}^{99}+\frac{1}{{x}^{99}}$
Answer
2
Santanu Sahoo
Subject: Maths
, asked on 28/1/18
Answer the following:-
If a + b + c =0, then prove that "a
^{3}
+ b
^{3}
+ c
^{3}
= 3abc"
{Please try to avoid the providing of web-link and certified answer … I want only experts to their solutions. }
Answer
2
Santanu Sahoo
Subject: Maths
, asked on 27/1/18
Solve: Simplify :
$\frac{a-b}{a+b}+\frac{b-c}{b+c}+\frac{c-a}{c+a}+\frac{\left(a-b\right){\displaystyle \left(b-c\right)}{\displaystyle \left(c-a\right)}}{\left(a+b\right){\displaystyle \left(b+c\right)}{\displaystyle \left(c+a\right)}}$
Answer
1
Santanu Sahoo
Subject: Maths
, asked on 27/1/18
SOlve the following:
$\frac{\sqrt{\left(a+x\right)}+\sqrt{\left(a-x\right)}}{\sqrt{\left(a+x\right)}+\sqrt{\left(a-x\right)}}=\frac{a}{x}$
Answer
1
1
2
3
4
5
Next
What are you looking for?

^{2}a?Polynomial4r2 (3r-5)-2r2(6r-10) . ( the 2 after 4r and 2r are squared.)

Q4. (a) What should be added to x

^{2}+ xy + y^{2}to obtain 2x^{2}+ 3xy? (b) What should be subtracted from 2a + 8b + 10 to get – 3a + 7b + 16 ?

Q5. What should be taken away from 3x

^{2}– 4y^{2}+ 5 xy + 20 to obtain – x^{2}^{ }– y^{2}+ 6xy + 20 ?3mn,-5mn,8mn,-4mn

Before some time, one of the Meritnation experts, I.E Brijendra pal sir, had answered one of my queries. But, the answer to the same was having some error, so I want him to recheck the following again. I have highlighted the error part in red colour.

$Ifx+\frac{1}{x}=-1,thenfindthevalueof{x}^{99}+\frac{1}{{x}^{99}}$

Answer the following:-If a + b + c =0, then prove that "a

^{3}+ b^{3}+ c^{3}= 3abc"{Please try to avoid the providing of web-link and certified answer … I want only experts to their solutions. }$\frac{a-b}{a+b}+\frac{b-c}{b+c}+\frac{c-a}{c+a}+\frac{\left(a-b\right){\displaystyle \left(b-c\right)}{\displaystyle \left(c-a\right)}}{\left(a+b\right){\displaystyle \left(b+c\right)}{\displaystyle \left(c+a\right)}}$

$\frac{\sqrt{\left(a+x\right)}+\sqrt{\left(a-x\right)}}{\sqrt{\left(a+x\right)}+\sqrt{\left(a-x\right)}}=\frac{a}{x}$