Question

Solve: ${(-3\frac{1}{4})}^2+{\left(\frac{7.5}{10}\right)}^2$

Answer 1

${(-3\frac{1}{4})}^2+{\left(\frac{7.5}{10}\right)}^2$
$={\left(\frac{-13}{4}\right)}^2+{\left(\frac{3}{4}\right)}^2$
$=\frac{169}{16}+\frac{9}{16}$
$=\frac{178}{16}$
$=11\frac{1}{8}$