Coach Kunal stacks all of the tennis balls in a square pyramid.
The number of tennis balls, P(n), in n layers of the square pyramid is given by
P(n) = P(n – 1) + n^2.
Which could not be the number of tennis balls Coach Kunal has?
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Answer:
10 balls stuck by coach Kunal has
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Answer:9
Step-by-step explanation:a p e x
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