а3+а4=36
a2*q+a2*q^2=36
3q+3q^2=36
q^2+q-12=0
q1=-4 a1=a2/q=-3/4 a3=a2*q=-12
q2=3 a1=a2/q =1 a3=a2*q=9
а3+а4=36
a2*q+a2*q^2=36
3q+3q^2=36
q^2+q-12=0
q1=-4 a1=a2/q=-3/4 a3=a2*q=-12
q2=3 a1=a2/q =1 a3=a2*q=9