Find the value of the given expressions if 'x=-1, y=-2' 3x^3-2x^2y+3xy^2-5
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Answer:
x= -1, y = -2
3x^3 - 2x^2y + 3xy^2 - 5
=> 3(-1)^3 - 2(-1)^2(-2) + 3(-1)(-2)^2 - 5
=> 3(-1) - (-2)^(-4) + 36 - 5
=> -3 -(1/-2)^4 + 36 - 5
=> -3 - 1/16 + 36 - 5
=> -49/16 + 36 - 5
=> 527/16 - 5
=> 447/16
=> 27.93
Ans. 27.93
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