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If f(2) = 2, and f'(2) = 1, then the val...

If f(2) = 2, and f'(2) = 1, then the value of `lim_(xrarr2)(xf(2)-2f(x))/(x-2)`

A

a)0

B

b)1

C

c)-1

D

d)2

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UNITED BOOK HOUSE-MODEL QUESTION PAPERS-SET 4-EXERCISE
  1. The equation of the circle passes through the point (0, 4), (0, 0) and...

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  2. The value oflim(xrarr0)(1-cos4x)/x^2is

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  3. If f(2) = 2, and f'(2) = 1, then the value of lim(xrarr2)(xf(2)-2f(x))...

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  4. Three unbiased dice are thrown at a time. The probability of getting t...

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  5. If the variance of a distribution is 4 coefficient of variation is 5%,...

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  6. If n(X) = 4 and n(Y) = 8. Find the maximum and minimum numbers of.elem...

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  7. If A = {(a, b) : a + 3b = 12, a, bin N}, find the range of A.

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  8. Show that cos^6theta+sin^6theta=1/8(5+3cos4theta)

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  9. If n be an integer, then find the value of tan{(npi)/(2)+(-1)^(n).(pi...

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  10. If (1 + i) (2 +i) (3 + i)…..(n+i)=a+ib ,show that 2.5.10….(n^2+1)=a^2+...

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  11. If n is a even number, find the sum of the series upto n terms1^2-2^2+...

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  12. How many 5 digits telephone number can be formed from the digits from ...

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  13. Find the value of 3^2/3. 3^2/9. 3^2/27…..

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  14. If the gradiant of the line joining the points (2a, -2) and (1, -a)...

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  15. Find the ratio in which the plane 2x+3y+5z=1 divides the line segment ...

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  16. Evaluate:lim(xrarr0)sinx/x

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  17. Find the condition for the existance of lim(xrarr0)f(x)

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  18. Find the variance of 1, 2, 3, 4.

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  19. There are four letters and four envelops with proper address. Find the...

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  20. For any three sets A, B, C. prove that A xx (B cup C)=" (A xx B) cup(A...

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