1.If AAA and BBB are square matrices of second order such that ∣A∣=−1|A| = -1∣A∣=−1, ∣B∣=3|B| = 3∣B∣=3, then what is ∣3AB∣|3AB|∣3AB∣ equal to?a.3b.-9c.-27d.None of theseLogin to continueOnly logged in users canattempt or see the solution.
