Question # 1

The transpose of a row matrix is a ______

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Zero matrix

Diagonal matrix

Column matrix

Row matrix

Parametric equation of circle : x²+y²+r², are

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r1 = x cos𝜽 r² = y sin𝜽

x = r cos𝜽 y = r sin𝜽

x = r sin𝜽1 y = r sin𝜽2

x = r₁ cos𝜽 y = r_{2 sin𝜽}

If x³+ 4x³- 2x +5 is divided by x - 1, then the reminder is

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8

6

4

None of these

The point P (5,8) and the origin lie on the side of the line 3x+ 7y+ 15 =0

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Same side

P above and origin below

Opposite side

P below and origin above

In order of A is m x n and order of B is n x p then order of AB is

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m x m

n x n

m x p

p x m

I f the focus is F ( 0,-a) and directrix is the line v=a, then equation of the parabola is:

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x² = 4ay

y² = 4ax

y² = -4ax

x² = 4ax

If f(x) = x²then f(-2) is

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-2

2

4

-4

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Two circles are said to be concentric if they have

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same radius

same chord

same centre

same diameter

A quadratic equation has two

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roots

degree

variables

constants

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ab=-1

ab = 1

ab = 2

None

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