Question

Q.2 V12 X v15 is equal to:
a) 576
b) 675
c) 1015
​

Answer 1

Answer:

Given that,

$\sqrt{12} \times \sqrt{15} = \\ \sqrt{2 \times 2 \times 3} \times \sqrt{3 \times 5} = \\ 2 \sqrt{3} \times \sqrt{3 \times 5} = \\ \sqrt{3} (2 \times \sqrt{5} ) = \\ 1.732(2 \times 2.2360) = \\ 1.732(4.4720) = \\ 6.745504 = 675$