X + Y is equal to 11 and xy is equal to 30 and find X and Y – InterviewSolution

1.

X + Y is equal to 11 and xy is equal to 30 and find X and Y

Answer»

(x-y)KA SQUARE =(x+y)ka square -4xy

=11ka square -4xy

=121-4×30

=121-120

=1

x-y=1

x+y=11

-2y=-10

y=5

& x-y=1

x-5=1

x=6

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