Expand using identities: (x - 1/x)2
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Answered by
0
Step-by-step explanation:
(x-1/x)²
= (x)²-2*x*1/x+ (1/x)² [(a-b)²= a²-2ab+b²] Formula
= x²-2+1/x²
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Answered by
13
Answer:
x²+1/x²-2
Step-by-step explanation:
Identities :- (a-b)² = a²+b²-2ab
(x-1/x)²
=>(x)² + 1/x² - 2(x × 1/x)
=>x² + 1/x² - 2
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