Question # 1

(x + 2)²= x²+ 4x + 4 is

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A linear equation

A cubic equation

A quadratic equation

None

The coefficient of xn in the expansion of (1-2x)-1 is

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(-1)n2n

2n

(-1)(n+1)xr

(n+1)2n

In R, the multiplicative identity is

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0

1

-1

None

cos 6θ + cos 2 θ =_______;

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-2sin 4θ sin 2θ

2cos4θ cos2θ

2sin4θ cos2θ

2cos4θ sin2θ

The graph of y> 0 is the upper - half of:

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y-axis

x-axis

1st and 4th quandrant

2nd and 3rd quadrant

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A parabola

An ellipse

A hyperbola

A circle

Root of the equation 3^x-1+ 3^1-x= is

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2

1

0

-1

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2

6

The point R dividing externally the line joining the points P(x₁, y₁) and Q(x₂, y₂) in the ratio k₁: k₂has the coordinates

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sin(π/2+θ) = _______;

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sinθ

cosθ

-sinθ

-cosθ

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Mathematics General Science Test Medium Mode MCQs With Answers

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