power 4dTo find the effective power of a combination of a convex lens and a concave lens, we can follow these steps: 1. Identify the Powers of the Lenses : - The power of the convex lens (P1) is givenPower RDW Professional Type NR 8004D dengan memiliki 4 cxxnel, dengan speck 4 x 850 watt di 8 ohm 4 x 1850 watt di 4 ohm 4 x 2600 watt di 2 ohm 3200 watt di