Without adding find the sum of first 25 natural even numbers
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Without adding find the sum of first 25 natural even numbers
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Answer:
hiiiii mate,
there is very easy formula for finding the sum of first nth term of even numbers.
Sn = n^2 + n
put the values in this formula we get ,
(25)^2 + 25
= 625 + 25
= 650.
mate there is also formula for finding sum of first nth term of odd numbers .
= (n)^2
Step-by-step explanation:
hiiiii mate,
my intention is only your help not for gaining any rank..