Question

find the sum of first 100 natural numbers
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Answer 1

hope that it will help u

Answer 2

Answer:

5050

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step by step explaination:

natural numbers = 1,2,3,4,5,..................100

Given:

a=1

d=1

n=100

$sn = \frac{n}{2}(2a + (n - 1)d) \\ \: \: \: \: = > \frac{100}{2} (2 \times 1 + (100 - 1)1) \\ \: \: \: \: \: = > 50(2 + (99)1) \\ \: \: \: \: \: = > 50(2 + 99) \\ \: \: \: \: \: = > 50(101) \\ \: \: \: \: \: = > 5050$

Hence, the sum of first 100 natural numbers is 5050

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