JEE Main 10 Jan 2019 Shift 2 Solved Paper

Section: Mathematics

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Question : 31 of 90

Marks: +1, -0

Let z = (

√3

2

+

i

2

)5+(

√3

2

−

i

2

)5. If R(z) and I[z]respectively denote the real and imaginary partsof z, then :

[10 Jan 2019 Shift 2]

R(z) > 0 and I(z) > 0
R(z) < 0 and I(z) > 0
R(z) = –3
I(z) = 0

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