1 . Subtract 3x² - 5y - 2 from 5y - 3x² + xy and find the value of t – InterviewSolution

1.

1 . Subtract 3x² - 5y - 2 from 5y - 3x² + xy and find the value of the result if x= 2 , y = ‐ 1.

Answer»

Answer:

3x^-5y-2-(5y-3x^+xy)

=3x^-5y-2-5y+3x^-xy

=6x^-10y-xy-2

now when x=2 and y=-1

=6*2^-10*(-1) -2*(-1) -2

=24+10+2-2

=24+10

=34

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