Find the value of and , if ( – 2) & ( + 3) are both factors of the expression

³ + ² + – 12.

a = 2, b = –5

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a = 3, b = –5

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a = 1, b = –6

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a = 3, b = – 4

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a = -2, b = 5

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Solution

The correct option is D
a = 3, b = – 4

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Similar questions

If ( – 2) is a factor of the expression 2³ + ² + – 14 & when this expression is divided by ( – 3) it leaves the remainder 52. Find the values of & .

x^{3} + 7 k x^{2} - 4 k x + 12

(x + 3)

k

a

b

x - 2

x + 3

x^{3} + a x^{2} + b x - 12 = 0

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