a^2+b^2=15,a-b=3 and ab=? find ab
Answers
Answered by
2
hope it will help you!!
Attachments:
ashad90:
thanks
Answered by
0
as we know that a-b=3
now s.b.s
(a-b)^2=9
a^2+b^2=9+2ab
so,now
9+2ab=15
2ab=6
ab=3
now s.b.s
(a-b)^2=9
a^2+b^2=9+2ab
so,now
9+2ab=15
2ab=6
ab=3
Similar questions