Question # 1

Geometrically, the modulus of a complex number represents its distance from the

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Point (1, 0)

Point (0, 1)

Point (1, 1)

Point (0, 0)

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

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0

-1

1

2

Domain of tangent function is

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The general solution of tan 3x = 1 is

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If A is any matrix then its additive inverse is

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A

A^-1

A^t

-A

If a > 0, b > 0, c > 0, then the roots of the equation ax²+ bx + c = 0 are

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Real and negative

Non-real with negative real parts

Real and positive

Nothing can be said

Projection of vector u along v is

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|v| cosθ

|u| cosθ

|v| sinθ

|u| sinθ

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-10

10/7

-10/7

-7/10

For an arithmetic series to be convergent it is necessary that the series has

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Finite terms

d<0

Infinite terms

None of these

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