Question

If x +1/x = 7 then X2+1/x3​

Answer 1

Answer:

X+1/X = 7

by solving this equation

x²-7x+1= 0

by using -b +- ✓b²-4ac/2a

we will get the answer either in fraction form 7-✓45/2

7+✓45/2 this is the answer