Math, asked by indianboympk, 5 months ago

If x +1/x = 7 then X2+1/x3

Answers

Answered by kb050060

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

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