JEE MATHEMATICS MCQ: SEQUENCE OF SERIES

1 Easy

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Application +4 | -1

\mathrm{a}, \mathrm{b}, \mathrm{c}, \mathrm{d}

are four positive real numbers such that abcd

=1

then least value of

(\mathrm{a}+4)(\mathrm{b}+4)

(c+4)(d+4)

View answer and explanation

Correct option: D

625

Option D (625) is correct because the minimum value occurs when a=b=c=d=1, using AM >= GM inequality.

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