show the question number 1 and 2
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1)(2x+3y)^2
=4x^2+9y^2+12xy TRUE
2) (5X-7Y^2)(5X+7Y^2)
=25X^2-49 Y^8 FALSE
rudra6760:
your First answer is wrong
oh sorry didn"t able to look at 3y^2
Answered by
2
1. F=(a+b)2 =a2+2ab+b2
(2x+3y)2=2x2+2×2x×3y2
=4x2+12xy+3y2
is true
2.F=(a-b) (a+b)=a2-b2
=(5x-7y2) (5x+7y2)=25x2-49y2
is also true
hope it helped you
(2x+3y)2=2x2+2×2x×3y2
=4x2+12xy+3y2
is true
2.F=(a-b) (a+b)=a2-b2
=(5x-7y2) (5x+7y2)=25x2-49y2
is also true
hope it helped you
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