Question # 1

If origin is the mid point of (a,3) and (5,b) then

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a = -5 , b = -3

a = 5 , b =3

a = -5 , b = 3

a = 5 , b = -3

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none of these

The set {1, -1, i, -i}

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Form a group w.r.t addition

Form a group w.r.t multiplication

Does not form a group w.r.t multiplication

Not closed under multiplication

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all are correct

(ABC)' =

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CBA'

CBA

C' B' A'

None of these

A = B if

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A is equivalent to B

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real part of z

imaginary part of z

conjugate of z

modulus of z

If the exponent in the binomial expansion is 6, then the middle term is

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2nd

3rd

4th

5th

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1

5

7

9

i¹⁰¹ =

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i

i²

-i

-1

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