The displacement will be magnitude of the difference \((5 \hat{i}+1 \hat{j})-(2 \hat{i}+4 \hat{j})\).
\(=(5-2) \hat{i}+(1-4) \hat{j}\)
\(=3 \hat{i}-3 \hat{j}\)
the magnitude is \(\sqrt{3^2+3^2}=3 \sqrt{2}\)
Hence,option \((B)\) is correct answer.
$\left[ g =10 m / s ^{2} \text { }\right]$લો