Solution
= Solution
\b[No.] Every power $R^a$ has <determinant> $1$, whereas
$$
\det(MR^b)=\det M\det(R^b)=-1.
$$
Matrices with different determinants cannot be equal.
= Solution
\b[No.] Every power $R^a$ has <determinant> $1$, whereas
$$
\det(MR^b)=\det M\det(R^b)=-1.
$$
Matrices with different determinants cannot be equal.