If ${3^{x/2}} + {2^x} > 25,$ then

$x \in \left[ {4,\infty } \right)$

$x \in \left( { - \infty ,4} \right]$

JEE MATHEMATICS MCQ: QUADRATIC EQUATIONS

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Application +4 | -1

{3^{x/2}} + {2^x} > 25,

then

View answer and explanation

Correct option: B

\left( {4,\infty } \right)

The correct answer is B (

\left( {4,\infty } \right)

) because by substituting x=4 into the inequality, it becomes an equality, and for x > 4, the inequality holds.

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