Question:medium

If \( 0\le a,b \le 3 \) and the equation \[ x^2 + 4 + 3\cos(ax+b) = 2x \] has real solutions, then the value(s) of \( (a+b) \) is/are:

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For trig equations with quadratics: Compare value ranges. Match extreme values.

Updated On: Mar 2, 2026

\( \frac{\pi}{4} \)
\( \frac{\pi}{2} \)
\( \pi \)
\( 2\pi \)

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The Correct Option is B

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