If $a,b,c,d$ are in H.P., then $ab + bc + cd = $

JEE MATHEMATICS MCQ: SEQUENCE OF SERIES

1 Easy

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Application +4 | -1

a,b,c,d

are in H.P., then

ab + bc + cd =

View answer and explanation

Correct option: C

3ad

Option C (

3ad

) is correct because, given that a, b, c, d are in H.P., the expression ab + bc + cd simplifies to 3ad.

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