Home
Class 9
MATHS
(2a+1)^3+(a-1)^3...

`(2a+1)^3+(a-1)^3`

Text Solution

Verified by Experts

The correct Answer is:
`9a(a^2+a+1)`
Promotional Banner

Topper's Solved these Questions

  • FACTORISATION OF POLYNOMIALS

    RS AGGARWAL|Exercise Exercise 3G|25 Videos

  • FACTORISATION OF POLYNOMIALS

    RS AGGARWAL|Exercise Multiple Choice Questions (Mcq)|22 Videos

  • FACTORISATION OF POLYNOMIALS

    RS AGGARWAL|Exercise Exercise 3E|10 Videos

  • COORDINATE GEOMETRY

    RS AGGARWAL|Exercise Multiple Choice Questions (Mcq)|22 Videos

  • GEOMETRICAL CONSTRUCTIONS

    RS AGGARWAL|Exercise Exercise 13|2 Videos

Similar Questions

Explore conceptually related problems

If S =(y-1-1/2(y-1)^(2)+1/3(y-1))^(3)/(a-1-1/2(a-1)^(2)+1/3(a-1)^(3) …. Then S is equal to

Find the sum of the series e^(x-(1)/(2)(x -1)^(2) + (1)/(3) (x -1)^(3) - (1)/(4) (x -1)^(4) + ...

The value of (2 (1)/(3) - 1(2)/(11) )/(3 + (1)/(3 + (1)/(3 + 1/3) ))

Find the value of (2(1)/(2) - 1(2)/(11))/(3 + (1)/(3 + (1)/(3 + (1 )/(3 ))))

Let P_ (n) = (2 ^ (3) -1) / (2 ^ (3) +1) * (3 ^ (3) -1) / (3 ^ (3) +1) * (4 ^ ( 3) -1) / (4 ^ (3) +1) ...... (n ^ (3) -1) / (n ^ (3) +1) Prove that lim_ (n rarr oo) P_ ( n) = (2) / (3)

The expression (2^(2)+1)/(2^(2)-1)+(3^(2)+1)/(3^(2)-1)+(4^(2)+1)/(4^(2)-1)+((2011)^(2)+1)/((2011)^(2)-1) lies in the interval