Math, asked by vnakerkar7473, 1 year ago

Multiply : (i) a + b by b (ii) 3ab - 4b by 3ab

Answers

Answered by harshini1234

3

Answer:

Step-by-step explanation:

1) ( a+ b) b

=ab+b2

2) (3ab- 4b)3ab

= 9a2b2-12ab2

here 2 is square

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