Question

find the sq. root = 441/961

Answer 1

21 /31 is the answer

Answer 2

$\sqrt{441 } = 3 \times 3 \times 7 \times 7 = 7 \times 3 = 21 \\ \sqrt{961} = 31 \times 31 = 31 \\ so \sqrt{(441 \div 961) } = 21 \div 31$