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Let P(n) be the preposition
, P(1) is true.
Assume the P(k) is true for some
Want to prove that P(k+1) is also true, i.e.,
Since P(1) is true, and P(k) is true P(k+1) is true, by Mathematical Induction, P(n) is true for all
Students mostly did not struggle with this question. The instructions were clear. Some students found it difficult to relate (iii) to (i) and were unsure of how to resolve the summation