Question

If a-1/a=5, find the value of a² + 1/a2​

Answer 1

a^[2]+1/a2

so,a=5*2-10 so a=10

so a^[2] will be cancelled from a^[2]

so the answer would be 1

Answer 2

Answer:

the answer is -17/8 full calculation in my note book if you want to see follow me