The sum of the solutions x ∈ ℝ of the equation (3 cos(2x) + cos³(… | JEE Main 2024 Mathematics PYQ | Jeeify

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MCQMediumJEE Main 2024 · 29 January, Shift 2Trigonometric Ratios & Identities

The sum of the solutions $x \in \mathbb{R}$ of the equation $\frac{3 \cos(2x) + \cos^3(2x)}{\cos^6(x) - \sin^6(x)} = x^3 - x^2 + 6$ is:

A
$0$
B
$1$
C
$-1$
D
$3$

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