1) в1=200 q=-0,05 b3=?
b3=200*(-0/05)²=200*0,0025=0,5
2) b4=16 q=1/√2 b1=?
b4=b1*q³⇒b1=b4/q³=16:(1/√2)³=16:(1/2√2)=32√2
3)b1=400, q=0,5 s5=?
s5=400 ⋅ (1 — 0,03125) / (1 — 0,5)=387,5/0,5=775
4) b2=4 b4=16 b1=?
b2=b1*q=4
b4=b1*q³=16
(b1*q³)/(b1*q)=16/4
q2=4
q=2
