Question
Study the following pattern:
$
\begin{array}{ll}
1+3 & =2 \times 2 \\
1+3+5 & =3 \times 3 \\
1+3+5+7 & =4 \times 4 \\
1+3+5+7+9 & =5 \times 5
\end{array}
$
By ohserving the above pattern, find:
(i) $...+3+5+7+9+11$
(ii) $1+3+5+7+9+11+13+15$
(iii) $21+23+25+\ldots \ldots+51$
$
\begin{array}{ll}
1+3 & =2 \times 2 \\
1+3+5 & =3 \times 3 \\
1+3+5+7 & =4 \times 4 \\
1+3+5+7+9 & =5 \times 5
\end{array}
$
By ohserving the above pattern, find:
(i) $...+3+5+7+9+11$
(ii) $1+3+5+7+9+11+13+15$
(iii) $21+23+25+\ldots \ldots+51$
