SapphireSnowdrop
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Part B
Assume the statement is true for n = k. Prove that it must be
true for n=k+1, therefore proving it true for all natural
numbers, n.
Hint: Since the total number of dots increases by n each time,
prove that d (k) + (k+ 1) = d (k+ 1). And the picture down below is the Part A.

Part B Assume the statement is true for n k Prove that it must be true for nk1 therefore proving it true for all natural numbers n Hint Since the total number o class=

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