what is the addition of all even numbers up to 100
Answers
Answered by
1
Answer:
2550
Step-by-step explanation:
n=50,a=2,c.d=2,Sn=?
Sn=n/2(2a+(n-1)c.d)
=25(4+(49)2)
=25(102)
therefore,S50=2550
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