Question

solve a=2, b=3, c= -2, find the value of a2 + b2 +c2 - 2ab -2bc -2ca + 3ab

Answer 1

The answer is 43 hope it will help u

Answer 2

puttiog the value of a b and c in given equation
${2}^{2} + {3}^{2} + { (- 2)}^{2} - 2 \times 2 \times 3 - 2 \times 3 \times ( - 2) \times ( - 2) \times 2 + 3 \times 2 \times 3 \\ 4 + 9 + 4 - 12 + 12 + 8 + 18 \\ 43$