Question

if x + 1/x =7 then find 1/x+x​

Answer 1

Answer:

the appropriate answer will be 7

Answer 2

Answer:

Question: if x + 1/x =7 then find 1/x+x

To find: Value of 1/x+x

Answer:

It is given that x+1/x=7. ....(1)

On squaring both side,

(x+1/x)²=x²+1/x²+2×x×1/x

(7)²=(x+1/x)²-2

49+2=(x+1/x)²

51=(x+1/x)²

√51=x+1/x

Hence, 1/x+x=√51

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