Question

a2 + ab +1 for a=2 ,b= -3​

Answer 1

Answer:

${a}^{2} + ab + 1 \\ {2}^{2} + (2)( - 3) + 1 \\ 4 + ( - 6) + 1 \\ 4 - 6 + 1 \\ \underline{ \underline{ - 1}}$