3-Without adding find the sum.
(a)1+3+5+7+9
(b)1+3+5+7+9+11+13+15_17+19+21+23+3
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Answered by
4
Answer:
1+3+5+7+9= 5²=25
1+3+5+7+9+11+13+15+17+19+21+23+25=13²=169
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Answered by
1
Answer:
a)1+3+5+7+9
= 5²
=25
b) 1+3+5+7+9+11+13+15+17+19+21+23+3
= 13²
= 169
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