1.

If x+1/x= 8 then find the value of x square+1/xsquare​

Answer»

Step-by-step EXPLANATION:

(X + 1/x) = 8

we know, (a+b)² = a² + b² + 2ab

here, a×b = x × 1/x

= 1

therefore, x² + 1/x²

= ( x + 1/x)²- 2×(x × 1/x)

= (8)² - 2

= 64 - 2

= 62



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