If A is an orthogonal matrix of order 3 and B = `[{:(1,2,3),(-3,0,2),(2,5,0):}]`, then which of
Channel: Doubtnut
Date: 2020-02-02

If A is an orthogonal matrix of order 3 and B = `[{:(1,2,3),(-3,0,2),(2,5,0):}]`, then which of the following is/are correct ? 1. `|AB|= +- 47` 2. AB = BA Select the correct answer using the code given below :