Find x³-1/x³ if x²+1/x²=18
Answers
Answered by
1
Answer:
1 - 17√17
Step-by-step explanation:
x²+1/x²=18
x²+1=18x²
x=√1/17
now put the value of x in given question,
so,
(√1/17)³ -1/(√1/17)
1-17√17
Similar questions