1.

Ifx_1/x=4 then valuate x2+1/x2

Answer»

ANSWER:

hii MATE...

squaring both the sides

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

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

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

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

x^2+1/x^2 = 14

HENCE , the answer is 14

Hope it helps u....



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