If x-a is a factor of x3-3 x2 a-2 a2 x-b- then the value of b isa 0b 2c 1d 3

As nbsp;is a factor of nbsp; i.e. nbsp; Thus, nbsp;b nbsp;= 0 Thus, the correct option is (a). ...

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Standard X

Mathematics

Factor Theorem

If x-a is a f...

Question

If x − a is a factor of x³ −3x²a + 2a²x + b, then the value of b is

(a) 0

(b) 2

(c) 1

(d) 3

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Solution

As is a factor of

i.e.

Thus, b = 0

Thus, the correct option is (a).

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If x − a is a factor of x3 −3x2a + 2a2x + b, then the value of b is (a) 0 (b) 2 (c) 1 (d) 3

As is a factor of i.e. Thus, b = 0 Thus, the correct option is (a).

If x − a is a factor of x³ −3x²a + 2a²x + b, then the value of b is

(a) 0

(b) 2

(c) 1

(d) 3

As is a factor of

i.e.

Thus, b = 0

Thus, the correct option is (a).