x²+1/x²+2 (factorise the following expression using algebraic identities)
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Answered by
37
x² + 1/x² + 2
= (x)² + (1/x)² + 2(x)(1/x)
so by using the identity
(a+b)² = a² + b² + 2ab
= (x + 1/x)²
Answered by
27
Answer:
(x+1/x)(x+1/x)
Step-by-step explanation:
x^2+1/x^2+2
●(a+b)^2=a^2+b^2+2ab
At here
a=x
b=1/x
then,
(x+1/x)^2
(x+1/x)(x+1/x)
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