Matrices and Determinants-Algebra of Matrices (BITSAT Mathematics): Questions 1 - 2 of 2

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Question number: 1

» Matrices and Determinants » Algebra of Matrices

MCQ▾

Question

If for a matrix A,A2+I=0, where I is the identity matrix, then A equals

Choices

Choice (4) Response

a.

[1001]

b.

[i00i]

c.

[1211]

d.

[1001]

Question number: 2

» Matrices and Determinants » Algebra of Matrices

MCQ▾

Question

If A=[1111] and nN , then An equals –

Choices

Choice (4) Response

a.

2n1A

b.

nA

c.

2nA

d.

Question does not provide sufficient data or is vague

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