MCQ
Every invertible function is:
- ✓Monotonic function.
- BConstant function.
- CIdentity function.
- DNot necessarily monotonic function.
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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 -