Question

se define a.b=2a+1/b entonces(-1/2)x(-1/3) es

Answer 1

(-1/2)×(-1/3)
=2(-1/2) + (1/(-1/3))
=-2(1/2) + (1/(-1/3))
=-2(1/2) - (1/(1/3))
=(-1) - (1/(1/3))
=(-1) - (1×3/1×1)
=(-1) - (3/1)
=(-1) - 3
=-1 -3
=-4