Question

the sum of first 100 natural numbers is equal to
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Answer 1

Let S be the required sum. Clearly, it is an Arithmetic Progression whose first term = 1, last term = 100 and number of terms = 100. Therefore, the sum of first 100 natural numbers is 5050.

Answer 2

Step-by-step explanation:

use the formula=>n(n+1) /2

=100.101/2

5050

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