If a-3=1÷a,find value of a2+1÷a2

 

Asked by shilohdube04.9spicertl | 3rd Jun, 2020, 03:55: PM

Expert Answer:

It is given that a - 3 = 1/a and we need to find the value of a2 + 1/a2
Since, a - 3 = 1/a 
a - 1/a = 3
Squaring both the sides, we get
(a - 1/a)2 = (3)2
a2 - 2 + 1/a2 = 9
a2 + 1/a= 9 + 2
Hence, a2 + 1/a= 11

Answered by Renu Varma | 3rd Jun, 2020, 04:25: PM