Answer:
2.75
Step-by-step explanation:
Answer:
reciprocal
Step-by-step explanation:
Answer:
perimeter add all of the outside and thats perimeter please brainlest
Step-by-step explanation:
0.04, 1/10, 12%, 0.21, 1/4, 33%, 0.4, 45%, 12/23, 0.7, 80%, 5/6
Hello,
1)
z=√3-i
==>ρ²=3+1=4==>ρ=2
arctg(√3/-1)=-60°
z=2∠-60°=2(cos(-60°)+i sin(-60°))
w=-2-2i
==>ρ²=4+4=8==>ρ=2√2
arctg(-2/-2)=45°
w=2√2∠45°=2√2(cos(45°)+i sin(45°))
2)
z²=(√3-i)²=3+1-2√3*i=4-2√3*i
3)w^4=(2√2∠45°)^4=(2√2)^4 ∠180° =-64+0i
You may use radian but i like more degree.