Question

a) √98 x√648
Find it's square root​

Answer 1

Answer:

$\sqrt{98 } = \sqrt{2 \times 7 \times 7} = 7 \sqrt{2 } \\ \sqrt{648} = \sqrt{2 \times 2 \times 2 \times 9 \times 9} = 18 \sqrt{2}$