Question

1. Multiply the following :-
(i) (a + 2b) (a^{2} - 3b)
​

Answer 1

Answer:

−a

2

b×a

3

b

2

=−a

2+3

b

1+2

=−a

5

b

3

Verify:

If a=2 and b=3

−a

2

b=−(2)

2

×3=−4×3=−12

a

3

b

2

=(2)

3

×(3)

2

=8×9=72

−a

2

b×a

3

b

2

=−12×72=−864

−a

5

b

3

=−(2)

5

×(3)

3

=−32×27

=−864

Answer 2

Answer:

a^3-ab-6b^2 is correct answer

Step-by-step explanation:

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