ICSE Class 9 Answered
If a-3=1÷a,find value of a2+1÷a2
Asked by shilohdube04.9spicertl | 03 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/a2 = 9 + 2
Hence, a2 + 1/a2 = 11
Answered by Renu Varma | 03 Jun, 2020, 04:25: PM
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