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Matrics — Maths STD 12 Science — Question

Maharashtra BoardEnglish MediumSTD 12 ScienceMathsMatrics1 Mark
MCQ
If $F(\alpha)=\left[\begin{array}{ccc}\cos \alpha & -\sin \alpha & 0 \\ \sin \alpha & \cos \alpha & 0 \\ 0 & 0 & 1\end{array}\right]$ where $\alpha \in R$ then $[F(\alpha)]^{-1}$ is =
  • ✓
    F(-∝)
  • B
    $F\left(\alpha^{-1}\right)$
  • C
    F(2∝)
  • D
    None of these
✓

Answer

Correct option: A.
F(-∝)
F(-∝)

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