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Use suitable identities to find the following products :- (y^2+3/2)(y^2-3/2) - Mathematics

Use suitable identities to find the following products :-

`(y^2+3/2)(y^2-3/2)`

 

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Solution

By using the identity (x + y)(x - y) = x2 - y2,

`(y^2+3/2)(y^2-3/2)= (y^2)^2-(3/2)^2`

                                 `= y^4-9/4`

 

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APPEARS IN

NCERT Class 9 Mathematics Textbook
Chapter 2 Polynomials
Exercise 2.5 | Q 1.4 | Page 48
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