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CBSE Class 8 Answered

Observe the following pattern of sums of odd numbers:

1 = 1 = 13

3 + 5 = 8 = 23

7 + 9 + 11 = 27 = 33

13 + 15 + 17 + 19 = 64 = 43

21 + 23 + 25 + 27 + 29 = 125 = 53

Express the following numbers in the same pattern

i) 73 ii) 83 iii) 93

Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
Expert Answer

i) 43+45+47+49+51+53+55 = 343 =73

ii) 57+59+61+63+65+67+69+71 = 512 = 83

iii) 73+75+77+79+81+83+85+87+89 = 729 = 93

Answered by | 04 Jun, 2014, 03:23: PM
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