Answer to Question #237409 in Discrete Mathematics for Imyat

Question

Let A={2, {2}, (2)2}, B= {2, {2{, {{2}} and C={2}. Evaluate the truth and falsity of the following statements.

Answer 1

Statement-1: If A ≠ I and A ≠ - I, then det A = - 1. Statement-2: If A ≠ I and A ≠ - I, then tr

(A) ≠ 0. (A) Statement-1 is false, Statement-2 is true.

(B) Statement-1 is true, Statement-2 is true; Statement-2 is a correct explanation for Statement-1.

(C) Statement-1 is true, Statement-2 is true; Statement-2 is not a correct explanation for Statement-1.

(D) Statement-1 is true, Statement-2 is false