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Solve graphically the following system o...

Solve graphically the following system of linear inequations - `x - y le 1`,`x + 2y le 8`, 2x + y ge 2`.` x ge 0`,`yge 0. ‘

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UNITED BOOK HOUSE-MCQ-EXERCISE
  1. If x+iy=((a+ib)/(c+id))^(1//2),show that (x^2+y^2)=(a^2+b^2)/(c^2+d^2)

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  2. If one of the root of the equation px^2 + qx + r = 0 is the cube of th...

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  3. Solve graphically the following system of linear inequations - x - y l...

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  4. How many 4-digit numbers can be formed from the digits 1, 1, 2, 2, 3, ...

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  5. Prove that the middle term in the expansion of (1+x)^(2n)is(1.3.5........

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  6. If Sn be the sum of n consecutive terms of an A.P. show that S(n+4)-4S...

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  7. If n th term of a-series be (2.3^(n-1)+1),, find the sum of 1st r ter...

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  8. Show that the four straight lines xcosalpha+ysinalpha=P,xsinalpha-ycos...

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  9. Applying section formulae show that the points A(4. 7,-6), B (2, 5, -4...

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  10. Evaluate :lim(xrarry)(cos^2x-cos^2y)/(x^2-y^2)

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  11. Evaluate:lim(xrarr0)(sqrt(1+x^2)-sqrt(1+x))/(sqrt(1+x^3)-sqrt(1+x))

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  12. Evaluate: underset(x rarr 0)(lim)(e^(3x)-1)/(log(1+5x))

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  13. Evaluate :lim(xrarrpi//2)(xtanx-pi/2 secx)

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  14. Water is following into a right circular conical vassel. 45 cm deep an...

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  15. if y=f{f(x)},f(0)=0and f'(0)=5 find [dy/dx](x=0)

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  16. Find the coefficient of variation of the following data :

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  17. Find the mean deviation about median from the following data.

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  18. For any two events A and B prove that P(A cup B) le P{A) + P (B).

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  19. From 100 tickets numbered 1, 2,3.. ..... 100.four are drawn at random....

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  20. Two balls are drawn at random from a bag containing 6 white and 4 blac...

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