SubArea: Expressions with exponents and radicalsLevel: BProject ID: 1003099606Accepted: 1Clonable: 0Easy: 0Calculate the value of the expression \( \frac{2a+12}{-a^2} \) for \( a=-2\sqrt3 \).\( \frac{\sqrt3-3}3 \)\( 4\sqrt3 -1 \)\( \frac{-\sqrt3+3}3 \)\( -4\sqrt3+1 \)
