Question

If x+a is a factor of ax²+2a²x+b³ then​

Answer 1

Answer:

Since ax

2

+2a

2

x+b

3

is divisible by x+a, f(−a)=0.

∴ a(−a)

2

+2a

2

×−a+b

3

=0.

∴ −a

3

+b

3

=0.

∴ (b−a)(b

2

+ab+a

2

)=0.

∴b=a or b

2

+ab+a

2

=0.

Step-by-step explanation:

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Answer 2

here is your answer....