If variable line \( 9 a x+4 b y=5(a, b0) \) always passes through \( (1,1) \) then the maximum v... VIDEO
If variable line \( 9 a x+4 b y=5(a, b0) \) always passes through \( (1,1) \) then the maximum value of \( (3 \sqrt{a}+2 \sqrt{b}) \) is equal to
(a) \( \sqrt{5} \)
(b) \( \sqrt{10} \)
(c) \( \sqrt{13} \)
(d) \( \sqrt{15} \)
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