if a+1/a=7 find a2+1/a2
Answers
Answered by
10
your ans
given:-
a+1/a=7
to find:-
a2+1/a2
apply the identity
(a+1/a)2=a2+1/a2+2
(7)2=a2+1/a2+2
49-2=47=a2+1/a2
given:-
a+1/a=7
to find:-
a2+1/a2
apply the identity
(a+1/a)2=a2+1/a2+2
(7)2=a2+1/a2+2
49-2=47=a2+1/a2
Answered by
9
(a+1/a)^2=a^2+1/a^2+2
49=a^2+1/a^2+2
a^2+1/a^2=47
Hope it helps you
Please mark me as the brainliest
lathamalathy:
Please please mark me as the brainliest I have not had a brainliest answer for many days
Similar questions