Question # 1

If the cutting plane is slightly tilted and cuts only one nappe of the cone, the resulting section is:

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an ellipse

Circle

a hyperbola

a parabola

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-x

Infinite set

{-4, 4}

None of these

Domain of 1+cot2θ=csc2θ is

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[0,π]

R-{x/x=nπ,n∈ z}

(-∞,+∞)

[-1,1]

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Which one represents a sequence

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an

Sn

a(n)

{an}

The point which divides the line segment joining the points (a, b) and (c, d) in the ratio 2 : 3 internally is

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none of these

x²+ x - 5 = 0 is

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A polynomial

An inequality

An identity

None

The product of cube roots of unity is

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Zero

1

-1

None of these

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An empty set

Universal set

A singleton set

None of these

If z1 = 2 + 6i and z2 = 3 + 7i then which expression defines the product of z1 and z2

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36 +(-32)i

-36+32i

6+(-11)i

0, +(-12)i

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