Question

if a²+1/a²=47 find the value of a+1/a

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Answer 1

This is my answer.

I hope this will help you.

Answer 2

Answer:

Step-by-step explanation:

Given that,

a² + 1/a² = 47

( a + 1/a )² = a² + 1/a² + 2 × a × 1/a

( a + 1/a )² = 47 + 2 ( ∵ Given , a² + 1/a² = 47 )

( a + 1/a )² = 49

a + 1/a = √49

a + 1/a = 7 is the answer.