Make L the subjects of the formula if (sqrt{frac{42w}{5l}})
-
A.
(sqrt{frac{42w}{5d}}) -
B.
(frac{42W}{5d^2}) -
C.
(frac{42}{5dW}) -
D.
(frac{1}{d}sqrt{frac{42w}{5}})
Correct Answer: Option B
Explanation
(sqrt{frac{42w}{5l}})
square both side of the equation
(d^2 = left(sqrt{frac{42W}{5l}}right)^2\
d^2 = frac{42W}{5l}\
5ld^2=42W\
l = frac{42W}{5d^2})