Question

USE SUITABLE IDENTITY TO FIND THE FOLLOWING PRODUCTS (X^2+1/X^2)(X^2-1/X^2)​

Answer 1

Step-by-step explanation:

(x²+1/x²)(x²-1/x²)

using (a+b)(a-b)=a²-b²

so, (x²)²-( 1/x²)²

x⁴-1/x⁴

So this is the answer

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Answer 2

Step-by-step explanation:

The value of (1+x)(1+x) is (1+x)

2

We know suitable identities is (x+y)

2

=x

2

+2xy+y

2

Therefore, the value of (1+x)

2

is

=(1)

2

+2(1)(x)+x

2

=1+2x+x

2

=x

2

+2x+1