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The value of lim(xrarr0)(1-cos(x/3))/x^2...

The value of `lim_(xrarr0)(1-cos(x/3))/x^2'

A

a)13

B

b)9

C

c)1/9

D

d)1/18

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UNITED BOOK HOUSE-TANTIA HIGH SCHOOL-EXERCISE
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  3. The value of lim(xrarr0)(1-cos(x/3))/x^2'

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  4. If f(x)=3x+2,then the value of f'(-3)is

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  5. If 1/(8!)+1/(9!)=x/((10)!)then the value of x is

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  6. The value of (tan9^@-tan27^@-tan63^@+tan81^@)is

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  7. Write down the power set of [phi]

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  8. A relation R defined on N.(the set of all naturals numbers)is defined ...

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  9. Prove that cot70^@+4cos70^@=sqrt3

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  10. Find the value of (1/(2sin10^@)-2sin70^@)

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  11. Express (sqrt3-i)in the modulus amplitude form.

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  12. If Snbe the sum of the n consecutive terms of an A.P,find the value of...

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  13. If ^9P5 + 5. ^9P4 = ^I0Pr, find r.

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  14. If alphaand beta be two roots of the equation (x-a)(x-b)=c then show t...

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  15. Find the point on the straight line 3x-4y=25,nearest to the origin .

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  16. Find the centre and the radius of the circle.2x^2+2y^2-4x+8y-4=0

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  17. If theta be a variable parameter find the curve whose parametric equat...

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  18. Find the area of greatest square that can be inscribed given straight ...

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  19. Evaluate :lim(xrarr1)(x+x^2+x^3+...+x^n-n)/(x-1)

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  20. If y=(1-x)(2-x)(3-x)…(n-x),find dy/dx

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