If value of x+1/x=4,find the value of x²+1/x²
Answers
Answered by
4
Answer:
14
Step-by-step explanation:
you must square on both sides. so you would get an equation. Dont forget to square rhs. Then shift the terms to one side. You would get the answer as 14.
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Answered by
4
Answer:
10/3
Step-by-step explanation:
x+1/x = 4
x+1 = 4x
1= 3x
x=1/3
x²+1/x = [(1/3)² + 1]/1/3
= (1/9+1)3
= 10/9 * 3
=10/3
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