# Matrices and Determinants-Solution of Simultaneous Linear Equations in Two or Three Variables (KVPY (Kishore Vaigyanik Protsahan Yojana) Stream SB-SX (Class 12 & 1st Year B.Sc.) Math): Questions 1 - 2 of 2

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## Question number: 1

» Matrices and Determinants » Solution of Simultaneous Linear Equations in Two or Three Variables

Appeared in Year: 2011

MCQ▾

### Question

Let P be an m × m matrix such that P2 = P. Then (1 + P) n equals –

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 2

» Matrices and Determinants » Solution of Simultaneous Linear Equations in Two or Three Variables

Appeared in Year: 2010

MCQ▾

### Question

Let A denote the matrix , where , and let I denote the identity matrix . Then is –

### Choices

Choice (4) Response

a.

f has local minima at x = c, a and a local maximum at x = b

b.

f has local minima at x = a, b and a local maximum at x = c

c.

f has local minima at x = b, c and a local maximum at x = a

d.

All of the above

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