Question

if x + 1/x = 4 then find x²+1/x²​

Answer 1

Answer:

14

Step-by-step explanation:

We know that

x+1/x = 4.

squaring both sides,

x^2 + 1/x^2 + 2x.1/x = 16

X2 + 1/X2 = 14

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