Question

Expand using suitable identities
25/4x2-y2/9

Answer 1

Answer:

$(5/2x + y/3)(5/2x - y/3)$

Step-by-step explanation:

$25/4x^{2} - y^{2}/3^{2}\\\implies (5/2x)^{2} - (y/3)^{2}\\\implies (5/2x + y/3)(5/2x - y/3)\\\boxed{ a^{2} - b^{2} = (a+b)(a-b)}$

Answer 2

Answer:

Step-by-step explanation: