Question # 1

If Z₁ = 1+ i, Z₂ = 2+3i , then |Z₁ -Z₂| =?

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√5

√7

-1-2i

√3

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Which one represents a sequence

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an

Sn

a(n)

{an}

Conic sections or simply conics are the curves obtained by cutting a right circular cone by

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a line

two lines

a plane

two planes

The line y = 2 x + c is a tangent to the parabola y²= 16 x if c equals

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-2

-1

0

2

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(1+w)(1+w2)(1+w4)(1+w8)....50 factors

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0

-1

1

2

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x⁴- 3x³+ 3x + 1 = 0 is called ______

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Reciprocal equation

Exponential equation

Radical equation

None of these

If the vertex of the parabola is the origin and directrix is x+5 = 0 . then its latus rectum is:

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10

5

0

20

If in a set of real no a is additive identity then

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a+a = 2a

a+a = 1

a+a = 0

None of these

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