Question

If x + ( 1/x ) = 2 , the value of x⁴ + (1/x⁴) is equal to

Answer 1

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x + 1/x = 2

X²+1/x² +2 =4

x²+1/x²= 4

x^4+1/x^4 +2 = 4² = 8

x^4+1/x^4 = 8