find the value of ( √ 1.21 ) / ( √ 0.81 ) + ( √ 0.81 ) / ( √ 0.49 ) is
"( √ 1.21 ) / ( √ 0.81 ) + ( √ 0.81 ) / ( √ 0.49 ) 11 / 9 + 9 / 7 = > 2.50 answer is b"
add(divide(sqrt(1.21), sqrt(0.81)), divide(sqrt(0.81), sqrt(0.49)))