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WAEC Further Mathematics 2024 Paper

Question : 7

Total: 40

If 5x + 7

\equiv

P(x + 3) + Q(x - 1), find the value of p

Solution:

5x + 7 $\equiv$ P(x + 3) + Q(x - 1),

Put x = 1

5(1) + 7 $\equiv$ P(1 + 4) + Q(1 - 1)

12 $\equiv$ 4p + 0

P = $\; \frac{12}{4}$ = 3

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