Question

If a = 3, b = 0 and c = −2, then find the value of ab + 2bc + ca + 1.

Answer 1

Answer:

-18

Step-by-step explanation:

Substituting a=3,b=0,c=−2, we get

  ac+2bc+3ca+4abc

=3×0+2×0×−2+3×−2×3+4×3×0×−2

=0+0−18+0

=−18