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If z1,z2 are two complex numbers such th...

If `z_1,z_2` are two complex numbers such that `Im(z_1+z_2)=0,Im(z_1z_2)=0`, then:

A

`z_(1) = - bar(z)_(2)`

B

`z_(1) = z_(2)`

C

`z_(1) = bar(z)_(2)`

D

None of these

Text Solution

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The correct Answer is:
D
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MCGROW HILL PUBLICATION-COMPLEX NUMBERS -EXERCISE LEVEL 1
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  15. The number (1+ i)^n / (1 - i )^(n-2) is equal to

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  16. Let omega ne 1, be a cube root of unity, and f : I rarr C be defined b...

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  17. If z + (1)/(z) = 2 cos theta, z in "C then z"^(2n) - 2z^(n) cos (n the...

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  18. If omega ne 1 is a cube root of unity, then z=sum(k=1)^(60)omega^(k) -...

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  19. Let g(x) and h(x) be two polynomials with real coefficients. If p(x) =...

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