How i solve the question of class 9th of Polynomials chapter of exercise 2.5 of ncert math, please suggest me the best way for solving this chapter in simple and easy way Use suitable identities to find the following products:(iv) (y2+3/2)(y2-3/2)
AnilSinghBoraGuru
Use suitable identities to find the following products:(iv) (y2+3/2)(y2-3/2) Q.1(4)
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Using the identity, (x+y)(x–y) = x2–y 2
[Here, x = y2and y = 3/2]
We get,
(y2+3/2)(y2–3/2) = (y2)2–(3/2)2
= y4–9/4