Question:
Find the squares of the following numbers using diagonal method:
(i) 98
(ii) 273
(iii) 348
(iv) 295
(v) 171
Solution:
(i)
$\therefore 98^{2}=9604$
(ii)
$\therefore 273^{2}=74529$
(iii)
$\therefore 348^{2}=121104$
(iv)
$\therefore 295^{2}=87025$
(v)
$\therefore 171^{2}=29241$