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A and B are two independent event. It P(...

A and B are two independent event. It P(A) = 1/2 and `P(A cup B)`=2/3,find the value of P(B).

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UNITED BOOK HOUSE-MODEL QUESTION PAPERS-SET 5-EXERCISE
  1. Prove that: lim(xrarr0)tanx/x=1

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  2. If.y = tan^-1 (sec x + tan x), show that ,dy/dx=1/2 .

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  3. A and B are two independent event. It P(A) = 1/2 and P(A cup B)=2/3,fi...

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  4. Find the mean deviation with respect ' to mean value :18,22,33,42,53,...

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  5. Find the HCF of 15, 40, 60 with the help of set theory

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  6. If 13theta=pi,show that costhetacos2theta cos3theta cos4theta cos5thet...

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  7. Solve:sinx-sin2x=cos2x-cosx

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  8. Show that by mathematical- induction :x^3+(x+1)^3+(x+2)^3is divisible ...

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  9. If z = x + iy and arg ((z-1)/(z+1))=(pi)/(4), then the locus of (x, y)...

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  10. If the co-efficient of the (3r+1) th term is equal to the co-efficient...

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  11. Find the sum of 1 + 5 + 12 + 22 + 35 +….upto n term.

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  12. A straight line passes through A(1, 2) and makes an angle theta with t...

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  13. Find the equations of the lines, which cut-off intercepts on the axes ...

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  14. The equation of circum circle of an equilateral triangle is x^2+y^2+2g...

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  15. A straight line passes through (h, k) and the middle point of the also...

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  16. Evaluate :lim(xrarr0)(tan2x-x)/(3x-sinx)

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  17. From definition, differentiate cos4x at 'x=pi/6,will respect to x.

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  18. Prove the following by contradiciton ."The sum of a rational and an ir...

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  19. Show that sqrt7 is an irrational, (use the method of contradiction)

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  20. If the variance of lst.n even natural numbers is 65, find the value of...

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