Question

Me ajudeem porfavor!!!​

Answer 1

a = 3

B =2

$2 {b}^{2} - 2 {a}^{3} = \\ 2 \times {2}^{2} - 2 \times {3}^{3} = \\ 2 \times 4 - 2 \times 27 \\ 8 - 54 = - 46$