Question 8 (ii) Express 121 as the sum of 11 odd numbers.
121 is the square of 11. Therefore it is the sum of 11 odd numbers
121 = 1+3 +5 +7 + 9+11+13+15 + 17 + 19+ 21
(i)
Express 49 as the sum of 7 odd numbers.
(ii)
Express 121 as the sum of 11 odd numbers.