Question

Find the mean proportion between 4 and 9
మరియు కాలమునకు పగ పత్తిని కనుగొనండి​

Answer 1

$If \: Mean \: proportion \: of \: a \: and \\ c \:is \: b \:then \: b = \sqrt{ac}$

$Here, \: a = 4 , \: c = 9 \\Mean \: proportion (b) = \sqrt{ab} \\= \sqrt{ 4 \times 9 }\\= \sqrt{6^{2}} \\= 6$

Therefore.,

$\red { Mean \: proportion \: between \: 4 \:and \: 9}$

$\green {= 6}$

•••♪