Question

find the product using identity [y-3/2][y+3/2]

Answer 1

As (a+b)(a-b)=a^2-b^2

(y+3/2 )(y-3/2)=y^2-9/4 (ans)

Answer 2

[y-3/2][y+3/2]
using the identity,
(a+b)(a-b)=a^2-b^2
=》(y)^2-(3/2)^2
=》y^2-9/4