Question

expand it using formula​

Answer 1

Solution:

We will apply :-

(a+b)³ = ( a )³ + ( b )³ +3 ab ( a + b )

⟹ ab will cancel.

$(4x/3y+3y/4x)³$

$⟹(4x+3y)³+(3y/4x³)+3(4x/3y+3y/4x)$

$⟹64x³/27y³+27y³/64x³+12x/3y+9y/4x$

Answer 2

Do it this way it will be all fine