if-a-b-gt-0-find-a-2-4-b-2-9-ab-min-

Question Number 149296 by mathdanisur last updated on 04/Aug/21

i f a; b > 0

f i n d {[\frac{(a^{2} + 4) (b^{2} + 9)}{a b}]}_{m i n} = ?

Answered by dumitrel last updated on 04/Aug/21

24 (p e n t r u a = 2, b = 3)

Commented by mathdanisur last updated on 04/Aug/21

T h a n k Y o u S e r

Answered by mnjuly1970 last updated on 04/Aug/21

E := \frac{(a^{2} + 4) (b^{2} + 9)}{a b} ⩾ \frac{2 (2 a) . 2 (3 b)}{a b}

E_{m i n} = 24

Commented by mathdanisur last updated on 04/Aug/21

T h a n k Y o u S e r