Express 169 as the sum of 13 odd numbers?
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Answered by
3
Step-by-step explanation:
we have 169 = 132
= Sum of first odd numbers
= 1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 + 17 + 19 + 21 + 23 + 25
= (1 + 25) + (3 + 23) + (5 + 21) + (7+ 19) + (9 + 17) + (11 + 15) +13
= 26 + 26 + 26 + 26 +26 + 26 + 13
= (6 x 26) + 13 = 156 + 13 = 169
Answered by
1
Answer:
nice linap what a maths genious
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