Question

if x+1/x = 3, (x⁴+1/x²)/x² - x + 1= ?​

Answer 1

11, 119

Step-by-step explanation:

x-1/x = 3

x-1/x whole square = x square + 1/x square - 2

x - 1/x whole square = 3 whole square

so x square + 1/ x square -2 =9

so x square + 1/ square will be 9+2 = 11

x power 4 + 1/x power 4 will be x square + 1/ x square whole square

so by squaring on both sides we get x square whole square + 1/ x square whole square =11 whole square

so x power 4 + 1/ x power +2 = 121

x power 4 + 1/ x power 4 will be 121-2=119

hope it's helpful