if 3x + 2y = 12 and xy = 6 , find the value of 9x^2 + 4y^2 plss send image
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Hey... I think this can be ur answer!!
3x + 2y = 12
Squaring both sides,
9x2 + 4y2 +2(3x)(2y) = 144
9x2 + 4y2 +12(6) = 144
9x2 + 4y2 = 144 - 72
9x2 + 4y2 = 72....
3x + 2y = 12
Squaring both sides,
9x2 + 4y2 +2(3x)(2y) = 144
9x2 + 4y2 +12(6) = 144
9x2 + 4y2 = 144 - 72
9x2 + 4y2 = 72....
sangeetaparmar:
i am not able to understand can do it in a paper
just square both sides than u will get it!!
mmmmm.... okk i'll try a second
which property u have used
(a+b) 2
okkk i understood thank u very much
my pleasure :)
:)
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1
hope it is useful
mark it as brainliest answer
mark it as brainliest answer
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