Question

Without actual addition, find the sum of the following:
a) 1+3+5+ 7 +9+11 36​

Answer 1

Answer:

Without actual addition, find the sum of the following:

a) 1+3+5+ 7 +9+11 36 the answer is 72

Answer 2

Answer:

36

Step-by-step explanation:

because when we have to find sum of cnsecutive odd no. we can find it by squaring of no. of consecutive odd no. for example= 1+3+5+7=(4)^2=16