solve this question number 10
Attachments:
DIVZ4549:
i have solution
Answers
Answered by
1
(2x + 3y)^3
{a + b}^3 = a^3 + b^3 + 3a^2b + 3ab^2
Therefore
(2x)^3 + (3y)^3 + 3×(2x)^2×3y + 3×(3y)^2×2x
8x^3 + 27y^3 + 36x^2y + 54y^2x
SIMILARLY U CAN DO PART B BY USING THIS PROPERTY :
{a - b}^3 = a^3 - b^3 - 3a^2b + 3b^2a
HOPE U WILL GOT MY ANS........
{a + b}^3 = a^3 + b^3 + 3a^2b + 3ab^2
Therefore
(2x)^3 + (3y)^3 + 3×(2x)^2×3y + 3×(3y)^2×2x
8x^3 + 27y^3 + 36x^2y + 54y^2x
SIMILARLY U CAN DO PART B BY USING THIS PROPERTY :
{a - b}^3 = a^3 - b^3 - 3a^2b + 3b^2a
HOPE U WILL GOT MY ANS........
plzz mark my ans as brainlest
Similar questions