(vii) Assertion : Let the matrices be such that A100B = BA100 Reason: AB = BA implies AnB = BAn for all positive integers n. (a) Both Assertion and Reason are true and Reason is the correct explanation for Assertion. (b) Both Assertion and Reason are true but Reason is not the correct explanation of assertion. (c) Assertion is true and Reason is false (d) Assertion is false and Reason is true