Question

3
The value of [x+1/x]2 is:
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Answer 1

Step-by-step explanation:

x+1/x=2

As we know that

(a+b)²=a²+b²+2ab

(x+1/x)²=(2)²

x²+1/x²+2=4

x²+1/x²=4-2

x²+1x²=2

Answer 2

Answer:

(x+1/x) 2

(x/x) 2×1

x gets cancel

Answer is 2

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