find the value of 4 x square + 9 y square, if 2 X + 3 Y = to 18 and x y = 25
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4xsquare +12 *25+9ysqaue=324
4xsquare +300+9ysquare=324...
4xsqaure +9ysquare=324-300
=24
4xsquare+9ysquare=24...
(i by mistakenly took xy=15 in pic...so plz take it as 25 and follow the next typed one)
4xsquare +300+9ysquare=324...
4xsqaure +9ysquare=324-300
=24
4xsquare+9ysquare=24...
(i by mistakenly took xy=15 in pic...so plz take it as 25 and follow the next typed one)
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Nandini2885:
no it is wrong
Answered by
1
=(2 x) square + ( 3 y) square+ 2× 2x × 3y=18 square
4x square+9y square+12xy=324
4x square+9y square+12×25=324
4x square+9y square+300=324
4x square+9y square=324-300
4x square+9y square=24
ans=24
hope it helpss
4x square+9y square+12xy=324
4x square+9y square+12×25=324
4x square+9y square+300=324
4x square+9y square=324-300
4x square+9y square=24
ans=24
hope it helpss
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