a
\(\overrightarrow{\mathrm{R}}=(2 \overrightarrow{\mathrm{Q}}+2 \overrightarrow{\mathrm{P}})+(2 \overrightarrow{\mathrm{Q}}-2 \overrightarrow{\mathrm{P}})\)
\(\overrightarrow{\mathrm{R}}=4 \overrightarrow{\mathrm{Q}}\)
Angle between \(\vec{Q}\) and \(\vec{R}\) is zero
Option \((1)\) is correct