Return x by differentiating it.
I'm confused by this problem. It requires the use of diff() and asks for differentiation, but it tests for equality with the input variable...
the author had proposed lots of questions with meaningless test. i despise this behavior
Find the numeric mean of the prime numbers in a matrix.
give nth decimal place of pi
Back to basics 9 - Indexed References
03 - Matrix Variables 1
Area of a Square
Find the diagonal of the square of side L
Non trivial identities - flipping
A shooting competition
Remove collinear points in a set of 2D points defining a polygon
Probabilities - More brains than luck
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