if x^2+1/x^2=23,then find the value of x^3+1/x^3
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97
x2 + 1/x2 = 23
x2+ 1/x2 + 2= 25
(x+1/x)2 = 25
x+1/x = 5 --- (1)
(x+1/x)3 = 53
x3 + 1/x3 + 3(x+1/x) = 125
Put the value of (1)
x3 + 1/x3 + 3*5 = 125
x3 + 1/x3 = 125 - 15 = 110
Hope it helps!!
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x2+ 1/x2 + 2= 25
(x+1/x)2 = 25
x+1/x = 5 --- (1)
(x+1/x)3 = 53
x3 + 1/x3 + 3(x+1/x) = 125
Put the value of (1)
x3 + 1/x3 + 3*5 = 125
x3 + 1/x3 = 125 - 15 = 110
Hope it helps!!
Mark as Brainliest! :)
Noah11:
:)
Answered by
12
Answer:110
Step-by-step explanation:
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