If x-1/X is 4, then find x²+1/x² and x⁴+1/x⁴
Answers
Answered by
1
Answer:
hello this is the answer...
Step-by-step explanation:
since x- 1/x = 4
on squaring both sides:
(x-1/x)^2 = 4^2
x^2+1/x^2-2=16
x^2+1/x^2=16+2
x^2+1/x^2=18
now again squaring:
(x^2+1/x^2)^2=18^2
x^4+1/x^4+2=324
x^4+1/x^4=324-2
x^4+1/x^4=322
HOPE THIS HELPS
Similar questions