A square matix AS is a called singular if det A is (A) negative (B) zero (C) positive (D) non-zero

A square matix A is a called singular if det A is (A) negative (B) zero (C) positive (D) non-zero

A square matix A is called idempotent if (A) A^2=0 (B) A^2=I (C) A^2=A (D) 2A=I

A square matix A is called idempotent if (A) A^2=0 (B) A^2=I (C) A^2=A (D) 2A=I

Each diagonal element of a skew symmetric matrix is (A) zero (B) negative (C) positive (D) non real

Each diagonal element of a skew symmetric matrix is (A) zero (B) negative (C) positive (D) non real

If the equation ax^(2)+25x-3c=0 has non real roots and (3c)/4lt(a+b), then c is always (A) Negative (B) 0(C) Non-negative (D) zero

In case of strictly decreasing function, the derivative is: a)negative b)zero c)positive d)either positive or zero

Positive And Negative Zero Error

If A,B and C be the three square matrices such that A=B+C then det A is necessarily equal to (A) detB (B) det C (C) det B+detC (D) none of these