If P = 23 2 3 (1−r2n2 1 − r 2 n 2 ), find n when r = 13 1 3 and p = 1

Assessment: JAMB UTME - Mathematics - 1987 Subject: General Mathematics

Question 1 Report

If P = $\frac{2}{3}$ ( $\frac{1 - r^{2}}{n^{2}}$ ), find n when r = $\frac{1}{3}$ and p = 1

Answer Details

If P = $\frac{2}{3}$ ( $\frac{1 - r^{2}}{n^{2}}$ ), find n when r = $\frac{1}{3}$ and p = 1
p = $\frac{2 (1 - r^{2})}{3 n^{2}}$ when r = $\frac{1}{3}$ and p = 1
1 = $\frac{2}{3}$ $\frac{(1 - (\frac{1}{3})^{2})}{n^{2}}$
n2 = $\frac{2 (3 - 1)}{3 \times 3}$
n2 = $\frac{2 \times 2}{3 \times 3}$
= $\frac{4}{9}$
n = $\frac{4}{9}$
= $\frac{2}{3}$

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If P = 23 2 3 (1−r2n2 1 − r 2 n 2 ), find n when r = 13 1 3 and p = 1

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