Simplifying Expressions involving Summation


Exercises for students
Express the following in terms of n and check your working using the above applet:

n		n
Σ (r2 + 2r + 3)		Σ (r2 + 2r + 3)
r = 1		r = 0
2n		2n
Σ (r2 + 3n + 1)		Σ (r2 + 3n + 1)
r = 1		r = 0

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