Math, asked by khushijaiswal2879, 1 year ago

If x+1\x=7 find value of x³+1/x³

Answers

Answered by shashankkkm

0

Answer:

X+1/x = 7
X+1 = 7x
1 = 6x
X= 1/6

X³ + 1/x³

(1/6)³ + 1/(1/6)³
1/216 + 1/(1/216)
1/216 + 216/1

(taking lcm)

(1 + 46656)/216
46657/216 #Answer

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