[1 Mark Question Answer]

Questions

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3 questions · timed · auto-graded

Question 11 Mark

Find the geometric mean between
$2a$ and $8a^3$

Answer

Geomatric mean between $2 a$ and $8 a ^3=\sqrt{2 a \times 8 a^3}=\sqrt{16 \times a^4}=4 a^2$

Question 21 Mark

Find the geometric mean between: 14 and $\frac{7}{32}$

Answer

Geomatric mean between 14 and $\frac{7}{32}=\sqrt{14 \times \frac{7}{32}}=\sqrt{\frac{49}{16}}=\frac{7}{4}=1 \frac{3}{4}$

Question 31 Mark

Find the geometric mean between: $\frac{4}{9}$ and $\frac{9}{4}$

Answer

Geomatric mean between $\frac{4}{9}$ and $\frac{9}{4}=\sqrt{\frac{4}{9} \times \frac{9}{4}}=\sqrt{1}=1$

Mathematics [1 Mark Question Answer]