Aspire Faculty ID #15470 · Topic: MAH MCA CET 2025 (Shift 1) · Just now
MAH MCA CET 2025 (Shift 1)

The valid range of $x$ for which $\cos^{-1}(2x-3)$ is defined is

Solution

For $\cos^{-1}(,\cdot,)$ to be defined, $-1\le 2x-3\le 1$. This gives $2\le 2x\le 4\Rightarrow 1\le x\le 2$.

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