b5=b1*q^4
1,5=b1*0,5^4
b1=1,5/0,0625
b1=24
S5=b1*(q^5-1)/(q-1)
S5=24*((-0,5)^5-1)/(-1,5)=16,5
находим b1.
1.5=b1*0.0625
b1=1.5:0.0625
S5=b1(q^5-1);q-1=24(-0.5^5-1):-0.5-1=24.75:(-1.5)=16.5
S5=16.5
b5=b1*q^4
1,5=b1*0,5^4
b1=1,5/0,0625
b1=24
S5=b1*(q^5-1)/(q-1)
S5=24*((-0,5)^5-1)/(-1,5)=16,5
находим b1.
b5=b1*q^4
1.5=b1*0.0625
b1=1.5:0.0625
b1=24
S5=b1(q^5-1);q-1=24(-0.5^5-1):-0.5-1=24.75:(-1.5)=16.5
S5=16.5