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If ((1+i)/(1-i))^(m)=1, then find the le...

If `((1+i)/(1-i))^(m)=1`, then find the least positive integral value of m.

A

2

B

3

C

4

D

1

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The correct Answer is:
C
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SUNSTAR PUBLICATION-K-CET- MATHEMATICS - 2017-MCQs
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  2. 3+5+7+ …..sum to n terms

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  4. If |x-2|le 1, then

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  5. If ""^nC(12)=""^nC8 , then n is equal to :

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  6. The total number of terms in the expansion of (x+a)^(47)-(x-a)^(47) af...

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  7. Equation of line passing through the point (1, 2) and perpendicular to...

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  8. The eccentricity to the ellipse (x^(2))/(36)+(y^(2))/(16)=1 is

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  9. The perpendicular distance of the point P (6, 7, 8) from XY - plane is

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  10. The value of lim(theta to 0)(1-cos 4theta)/(1-cos 6 theta) is

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  11. Write the contrapositive and converse of the following statements. I...

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  12. If the coefficient of variation and standard deviation are 60 and 21 r...

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  13. The range of the function f(x)=sqrt(9-x^(2)) is

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  14. Let f : R to R be defined by f(x)=x^(4), then

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  15. The range of sec^(-1)x is

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  16. If tan^(-1)x + tan^(-1)y=4pi//5, then cot^(-1)x + cot^(-1)y is equal t...

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  17. If f(x)=8x^(3), g(x)=x^(1//3), then fog (x) is

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  18. If A = 1/pi [(sin^(-1)(xpi),tan^(-1)(x/pi)),(sin^(-1)(x/pi),cot^(-1)(p...

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  19. If the matrix A is both symmetric and skew symmetric, then

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  20. Find x and y, if 2[(1,3),(0,x)]+[(y,0),(1,2)]=[(5,6),(1,8)]

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