Question

plz send me the solution of question3

Answer 1

Answer: . 194 

Justification:

x + 1/x = 4 → ( x + 1/x)2 = 16 → x2 + 1/x2 + 2 = 16 → x2+1/x2 = 14

Now,

x2 + 1/x2 = 14 → ( x2 + 1/x2)2 = 196 → x4 + 1/x4 + 2 = 196 → x4 +1/x4 = 194.

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