1.

X+1/x=4 find the value of a) x²+1/x² b) x4+1/x4​

Answer»

Step-by-step EXPLANATION:

a} x + 1/x = 4

(x + 1/x)^2 = 4^2

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

x^2 + 1/x^2 = 14



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