If (2t - 3s)(t - s) = 0, find t/s.

Correct Answer is : 323/223 or 111

Correct Answer is : 323/223 or 111

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WAEC Further Mathematics 2016 Paper

Question : 10

Total: 40

\frac{t}{s}

Solution:

Concept:

If the product of two factors is zero, then at least one of the factors must be zero.

Explanation:

Given:

(2t - 3s)(t - s) = 0

So, either

2t - 3s = 0

t - s = 0

Case 1:

2t - 3s = 0

2t = 3s

\frac{t}{s} = \frac{3}{2}

Case 2:

t - s = 0

t = s

\frac{t}{s} = 1

Thus, the possible values are

\frac{3}{2}

1

Answer:

\frac{t}{s} = \frac{3}{2}

1

Option A.

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