Without adding find the sum.
(a)1+3+5+7+9
(b)1+3+5+7+9+11+13+15+17+19+21+23
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Without adding find the sum.
(a)1+3+5+7+9
(b)1+3+5+7+9+11+13+15+17+19+21+23
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Answer:
a) 25
b) 144
Step-by-step explanation:
sum of first n odd numbers= n^2
Answer:
25
144
Step-by-step explanation:
hope it helps you