solve for x and y using the cross multiplication method.
a) (x+y)+b(x-y)=a^2-ab+b^2
b) (x+y)-b(x-y)=a^2+ab+b^2
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prathiksha6:
is that right
yes
first one doesn't have value for x and y.,but second pic has
in the first pic it is arranged in form of ax +by+c ..and secondly solved it
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