If x + 1/x = 1, find x^16 x^13
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Answered by
0
Step-by-step explanation:
If x + 1/x = 5, find the value of x2 + 1/x2
Given :
( x + 1 /x ) = 5
We need to find x2 + 1 / x2
( x + 1 / x )2 = 25
= x2 + 1 / x2 + 2 (x)(1/x) = 25
= x2 + 1/x2 + 2 = 25
= x2 + 1 / x2 = 25 – 2
= x2 + 1 / x2=23
Hence x2 + 1 / x2 = 23
Answered by
2
Answer:
0
Step-by-step explanation:
simplifying (x+1/x)
= x+1/x = x^2-x+1 = 0
In x^16+x^13 take x^13 common you will get
x^13(x^3+1)
Now, simplify x^3 +1 you will get
(x+1)(x^2-x+1)
So, the equation stands like
x^13(x+1)(x^2-x+1).
therefore, we have solved that x^2 -x+1 = 0
So, something multiplied by '0' is zero only.
so x^13(x+1)(x^2-x+1) = 0
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