Question

3√8*√5 Multiply and write the answer in the simplest form.

Answer 1

$3 \sqrt{8} \times \sqrt{5} = 3 \sqrt{5 \times 8} = 3 \sqrt{40} \\ = 3 \times 2 \sqrt{10} = 6 \sqrt{10}$

Answer 2

Solution :

3√8 × √5

= 3 × √( 8 × 5 )

= 3 × √(2×2×2×5)

= 3 × √[(2×2)×2 × 5]

= 3×2 √10

= 6√10

Therefore ,

Simplest form of 3√8 × √5 = 6√10

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