PROBLEM #1
Factorize:  x^2 - x -12.


PROBLEM #2
What is the second derivative of f(x) = x ^{1 / 3}

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Problems from 07/21/11

PROBLEM # 1
Combine the three numbers in each group to get the same result in each of the two groups. You can use addition, subtraction, multiplication, division, and exponentiation.
Group 1:    1, 6, 11        
Group 2:    13, 20, 33

SOLUTION 1
1x6x11 = 13+20+33

SOLUTION 2
 pi/4.

Congratulations to Prabhakar Nadkarni, who was the winner of the last set of puzzles.

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