Sunday, April 5, 2009

A Solved Problem on Simplification

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Topic : Simplification Problem : Simplify (c + 9)(c³ - 3c² - 7c) Solution : (c + 9)(c³ - 3c² - 7c) = c^4 - 3c³ - 7c² + 9c³ - 27c² - 63c = c...
Tuesday, March 31, 2009

Solving quadratic equation

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Problem on how to solve a quadratic equation: Know more about quadratic equations http://en.wikipedia.org/wiki/Quadratic_equation Qu...
Monday, March 30, 2009

Question to Find Summation and Draw Box Plot for all Quartiles

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Topic : Box Plot Question : For given amount 95000, 0 and - 65000 , Function P(Xi) 0.60, 0.20 and 0.20 respectively draw a neat Box Plot and...
Tuesday, March 24, 2009

Question on Permutation of Zeros in factorial 500

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Topic : Permutation Question : How many zeros are at the end of factorial 500? Solution : Highest power of a prime p that divides n! Let n b...
Thursday, March 19, 2009

Solved Problem on Partial Differentiation

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Topic : Partial Differentiation Problem : Solve the function by differentiation f(x,y) = xe^(x^2 y) at the intervals (1, ln 2) Solution: Fo...
Monday, March 16, 2009

Question on Probability of Students in a Class Room Under Different Contraints

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Topic : Probability Question : In a class of 72 students, 44 are girls and,of these, 12 are going to college. Of the 28 boys in the class, 9...
Wednesday, March 11, 2009

Question on Simplifying an Exponent

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Topic : Simplification Question : Simplifying exponent (4xy)º Answer : (4xy)º = 1 According to law of Exponent (aº = 1), Any number or a va...