If x+1/x = 15, find x^2 + 1/X^2
Answers
Answered by
2
Answer:
223 is the answer. Mark as brainliest
Answered by
4
Answer:
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
Step-by-step explanation:
Similar questions