Question on: WAEC Mathematics - 1998
Make S the subject of the formula: (V = \frac{K}{\sqrt{T-S}})
A
\(T-\frac{K^2}{V^2} = S\)
B
\(T+\frac{K^2}{V^2} = S\)
C
\(T-\frac{K^2}{V} = S\)
D
\(T-\frac{K}{V} = S\)
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Correct Option: A
(V = \frac{K}{\sqrt{T-S}})
square both sides of the equation
(V^2 = \frac{K^2}{T-S})
cross multiply
(V^2 T - S = K^2)
(T - S = \frac{K^2}{V^2})
(T = \frac{K^2}{V^2} + S)
(T - = \frac{K^2}{V^2} = S)
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