# Multiply and Write the Answer in the Simplest Form. - Algebra

Multiply and write the answer in the simplest form.

3sqrt 12 xx 7 sqrt 15

#### Solution

3sqrt 12 xx 7 sqrt 15

= 3 sqrt (4 xx 3) xx 7 sqrt 15

= 6 sqrt 3 xx 7 sqrt 15

= 42 sqrt 45 = 42 sqrt (9 xx 5) = 126 sqrt 5

Concept: Concept of Surds
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#### APPEARS IN

Balbharati Mathematics 1 Algebra 9th Standard Maharashtra State Board
Chapter 2 Real Numbers
Practice Set 2.3 | Q 7.2 | Page 30