Question

Ans clearly and correctly pls

Answer 1

Answer:

pls mark as brainliest

Step-by-step explanation:

given a-1/a=3

now squaring on bith sides

a^2+1/a^2-2=9

a^2+1/a^2=11

now

a^2+1/a^2+3a-3/a

11+3(a-1/a)

=11+3*3

=11+9

=20

just check answer is not 12 but it is 20