Question # 1

The seventh term of (x3+1/x)8is

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71

-22

27

28

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none of these

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}

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A point where two of its boundary lines intersect is called

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Corner point

Feasible point

Vertex

Feasible solution

An airplane flying at height of 300 meters above the ground passes vertically above another plane at an instant when the angle of elevation of the two planes from the same point on the ground are 60° and 45° respectively. Then the height of the lower plane from the ground is (in meters).

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For each real number, there is a number which is its

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Negative

Possitive

Opposite

Similar

In (x + iy), y is called as

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Imaginary part

Complex number

Real part

None of above

The equation of the sphere thro' the origin and making intercepts a, b, c on co-ordinate axes is

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x²+ y²+ z²+ ax + by + cz = 0

x²+ y²+ z²- 2ax - 2 by - 2 cz = 0

x²+ y²+ z²= a + b + c

x²+ y²+ z²- ax - by - cz =0

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