what is the value of (a+1/a)² - (a- 1/a)² ?
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Answer:
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Step-by-step explanation:
Given:
(a-1/a)^2 + (a+1/a)^2 ...[ (a+b)^2 formula and (a-b)^2 formula ]
= ( a^2 - 2 * a * 1/a + 1/a^2 ) + ( a^2 + 2 * a * 1/a + 1/a^2 )
= a^2 - 2 + 1/a^2 + a^2 + 2 + 1/a^2
= 2a^2 + 2 * 1/a^2...
= 2 ( a^2 + 1/a^2 )......
HOPE U GET IT..! :D
Hello mate , Here is your answer,
on expanding,
a² +1/a²-2+a²+1/a²+2
=2(a²+1/a²)
hope it helps.
please mark this as brainliest answer.
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