Math, asked by Karan1111111111, 1 year ago

find the value of 4 x square + 9 y square, if 2 X + 3 Y = to 18 and x y = 25

Answers

Answered by Aarya1234

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)

Attachments:

Nandini2885: no it is wrong

Aarya1234: err..took xy =15

Nandini2885: no prob

Aarya1234: taking xy =25 and then using same method gives correct one

Nandini2885: plz edit ur answer

Aarya1234: done

Answered by Nandini2885

=(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

Nandini2885: mark as brainliestt plz

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