Question

i have doubt in this question

Answer 1

$2(\dfrac{1}{2} )^{2} + 3( \dfrac{1}{2} )(\dfrac{-2}{3} )$

$2(\dfrac{1}{4}) + 3[ \dfrac{1}{2} \times \dfrac{-2}{3} ]$

$\dfrac{1}{2} +[3 \times \dfrac{-1}{3} ]\\\\\\\dfrac{1}{2} -1 \\\\ \\\ \dfrac{1-2}{2}\\\\\\\dfrac{-1}{2}$