1.

Derive the formula for the sum of first n even natural numbers

Answer»

Step-by-step explanation:

Sum of First n Natural Numbers. ... Clearly, it is an ARITHMETIC Progression WHOSE first term = 1, last term = n and number of terms = n. Therefore, S = n2(n + 1), [Using the formula S = n2(a + l)] Solved EXAMPLES to find the sum of first n natural numbers. 1.



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