find value of x²+1/x² when x-1/x=11
Answers
Answered by
0
Answer:
x-1/x=11
(x-1/x)^2=11^2
=> x^2-2.x.1/x+1/x^2=121
=> x^2+1/x^2=121+2
=> x^2+1/x^2=123
Similar questions