MCQ
$\sin^{-1}(1-\text{x})-2\sin^{-1}\text{x}=\frac{\pi}{2}$
- ✓$0$
- B$\frac{1}{2}$
- C$0,\frac{1}{2}$
- D$-\frac{1}{2}$
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and $det(A) = det(4I)$, where $I$ is $3 × 3$ identity matrix, then $(a -b)^3 + (b -c)^3 + (c -a)^3$ can be equal to -