Question

If a+1/a=2,find the value of a^2+1/a^2

Answer 1

Solution:

It is given that,

a+1/a = 2 -----(1)

Now ,

a² + 1/a²

= (a+1/a)²-2

= 2² - 2

= 4 - 2

= 2

Therefore,

a²+1/a² = 2

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