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(1 + i)^(5) + (1 - i)^(5) =...

`(1 + i)^(5) + (1 - i)^(5) =`

A

`-8`

B

8 i

C

8

D

32

Text Solution

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The correct Answer is:
A
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KCET PREVIOUS YEAR PAPERS-MODEL TEST PAPER 9-Mathematics
  1. The general solution of tan 2 theta tan theta = 1 is theta =

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  2. cos^(-1).(2)/(sqrt(5)) + tan^(-1).(1)/(3) =

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  3. (1 + i)^(5) + (1 - i)^(5) =

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  4. The smallest integer n such that ((1 + i)/(1-i))^(n) = 1 is

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  5. cos[tan^(-1) {sin(cot^(-1) x)}] =

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  6. The general value of theta which satisfies the equation (cos theta + i...

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  7. The length of the tangent from the point (1, -4) to the circle 2x^(2) ...

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  8. For the circles x^(2) + y^(2) - 2x + 3y + k = 0 and x^(2) + y^(2) + 8x...

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  9. The equation to the parabola with focus (2, 0) and the directrix x + 3...

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  10. If 2y = 5x + k is a tangent to the parabola y^(2) = 6x then k =

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  11. The length of the latus - rectum of the ellipse (x^(2))/(25) + (y^(2))...

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  12. P is any point on the ellipse 9x^(2) + 36y^(2) = 324 whose foci are S ...

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  13. The product of the perpendiculars from the foci on any tangent to the ...

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  14. int(e^(sqrt(x)))/(sqrt(x)) dx =

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  15. underset(0)overset(a)int sqrt(a^(2) - x^(2)) dx =

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  16. int(0)^(pi//2)(dx)/(a^(2)cos^(2)x + b^(2) sin^(2) x) =

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  17. int(0)^(pi//2) log sin x dx =

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  18. {:(Lt),(n->oo):}[(1)/(n+1) + (1)/(n+2) + … "to n terms"] =

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  19. The area enclosed within the curve |x|+|y| = 1 is

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  20. int(x^(2) + 1)/(x^(4) + 1) dx =

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