***11. Find the mean of that n odd natural numbers.
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Answered by
1
Answer:
(1+3+5+7+9+11+13+15+17+19) ÷10
: 100 divided by 10 = 10
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Answered by
0
Answer:
Sum of n terms of AP = n/2[2a + [n-1]d]
Sn= n/2[2a+ [n-1]d]
Substituting the value of a and d in the equation, we get.
Sn= n/2[2*1+[n-1]2]
Sn= n/2[2+2n-2]
Sn=n/2[2n]
Dividing the sum by n, we get.
Sn/n=n2/n
=n
Step-by-step explanation:
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