Question

find a2+ 1

2 if a 1 by a =7​

Answer 1

Answer:

1/a = 7

→ a = 1/7

Then put the value of a in equation:

→ 2a + 1

= 2(1/7) + 1

= (2/7) + 1

= (2/7) + (7/7) [L.C.M. of 1 & 7 = 7]

= (2+7)/7

= 9/7

Therefore, the answer is (9/7).

HOPE THIS HELPS YOU ❤️