QQuestion
Find the mean proportion of xy² and xz²
Exam-ready answer • 02 Mark
✓Answer
Mean proportion of two numbers a and b is given by:
\sqrt{a × b}
Substituting a = xy² and b = xz², we get:
\sqrt{(xy²) \times (xz²)}
= \sqrt{x² y² z²}
= xyz
Thus, the mean proportion is xyz.
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