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If 1+sin x+sin^(2)x+…………… upto oo=4+2sqr...

If `1+sin x+sin^(2)x+……………` upto `oo=4+2sqrt(3),0ltxltpi` and `x!=(pi)/2`, then x=

A

1)`pi//6`

B

2)`pi//4`

C

3)`pi//3`

D

4)`3pi//4`

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The correct Answer is:
C
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SUNSTAR PUBLICATION-K-CET-MATHEMATICS-2016-MULTIPLE CHOICE QUESTIONS
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  2. int(0)^(pi//2)(sin^(1000)xdx)/(sin^(1000)x+cos^(1000)x) is equal to

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  3. If 1+sin x+sin^(2)x+…………… upto oo=4+2sqrt(3),0ltxltpi and x!=(pi)/2, t...

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  4. underset(xrarr0)lim(xe^(x)-sinx)/(x) is equal to

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  5. If tan^(-1)(x^(2)+y^(2))=alpha then (dy)/(dx) is equal to

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  6. The simplified form of i^(n)+i^(n+1)+i^(n+2)+i^(n+3) is

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  7. The two curves x^(3)-3xy^(2)+2=0 and 3x^(2)y-y^(3)-2=0:

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  8. The equation of the normal to the curve y(1+x^(2))=2-x where the tang...

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  9. The maximum value of (1/x)^(x) is

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  10. The solution for the differential equation (dy)/(y)+(dx)/(x)=0 is

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  11. The order and degree of the differential equation [1 + ((dy)/(dx))^(2)...

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  12. If veca and vec b are unit vectors, then what is the angle between vec...

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  13. The sum of 1^(st) n terms of the series (1^(2))/(1) + (1^(2) + 2^(2...

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  14. The 11^(th) term in the expansion of (x+(1)/(sqrt(x)))^(14) is

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  15. Suppose veca + vecb + vecc = 0, |veca| = 3, |vecb| = 5, |vecc| = 7, th...

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  16. If veca, vecb, vecc are three non-zero vector such that each one of th...

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  17. If the straight lines 2x+3y-3=0 and x+ky+7=0 are perpendicular, then t...

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  18. The rate of change of area of a circle with respect to its radius at r...

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  19. Find the value of tan ""pi/8.

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  20. Area lying between the curves y^(2)=2x and y=x is

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