If a- b- c- are in proportion- thena a2-b cb b2-a cc c2-a bd None of these

(b) b2 = ac #8757; nbsp;a , b and c are in proportion. #8756; nbsp;a : b :: b : c #8658; #160;ab #160;= #160;bc #8658; #160;b2= #160; ...

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Proportions

If a, b, c, a...

Question

If a, b, c, are in proportion, then

(a) a² = bc
(b) b²= ac
(c) c² = ab
(d) None of these

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