x=3+2√2, find the value of xcube +1/x cube
Answers
Answered by
1
x = 2 + √3 , 1/x = 2-√3
So, x + 1/x = 4
(x+1/x)3 = 43
x3 + 1/x3 + 3x + 1/x = 64
x3 + 1/x3 + 3 = 64
x3 + 1/x3 = 64 – 3 = 61
if this help then plzzz mark me as brainliest........:)
So, x + 1/x = 4
(x+1/x)3 = 43
x3 + 1/x3 + 3x + 1/x = 64
x3 + 1/x3 + 3 = 64
x3 + 1/x3 = 64 – 3 = 61
if this help then plzzz mark me as brainliest........:)
Similar questions