Express the square of 11 in terms of sum of odd numbers.
(a) 1+3+5+7+9+11+13+15+17+19+21
(b) 1+2+3+5+7+9+11+13+15+17+19
(c) 1+3+5+7+9+11+13+15+17+21+23
(d) 1+2+3+4+5+6+7+8+9+10+11+12
I had been asked this question during an online interview.
I need to ask this question from Finding the Square of a Number topic in chapter Squares and Square Roots of Mathematics – Class 8