AP EAMCET Engineering 22 Sep 2020 Shift 1 Paper

Section: Mathematics

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Question : 66 of 160

Marks: +1, -0

The modulus of the complex number (

2+i√5

2−i√5

)10+(

2−i√5

2+i√5

)10 is

2‌cos(20Cos−1(
2
3
))
2‌sin(10Cos−1(
2
3
))
2‌cos(10Cos−1(
2
3
))
2‌sin(20Cos−1(
2
3
))

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