a+1/a=9:-a²+1/a²=79
what is the ans
Answers
Answered by
0
Step-by-step explanation:
a²+1/a² = 79
mark it as BRAINLIEST
Attachments:
Answered by
1
a+1/a=9
a²+1/a²
=(a+1/a)²-2(a+1/a)
=(9)²-2
=81-2
=79
Similar questions