Question

if you slove with step I will make you brainly

Answer 1

Answer:

Convex 1/2= 0.5m

Concave -1/4= -0.25m

A u=-1m

1/f=1/v-1/u so v= 1m

m=v/u= -1

B u=-1m

So v=-0.2m

M=v/u=0.2 m