if 3x+4y=16 and xy=4find the value of 9x^2+16y^2
Answers
Answered by
1
3x+4y=16
Take square of both sides
You will find,
9x^2+16y^2+24xy=256
=256-24into4
=160
Take square of both sides
You will find,
9x^2+16y^2+24xy=256
=256-24into4
=160
Answered by
1
160 is the answer for this question
Attachments:
Similar questions