вложжжжжжжжжжжжжжжж......................... Created by swagdianaaa. algebra-ru

вложжжжжжжжжжжжжжжж...

July 2022 1 10 Report

вложжжжжжжжжжжжжжжж........................

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sedinalana А)b1=16*(-1/2)^0=16
b2=16*(-1/2)=-8
q=b2/b1=-8/16=-1/2
S5=b1*(1-(-1/2)^5)/(1+1/2)=16*(1+1/32):3/2=16*33/32*2/3=11
б)Sn=32(1-(-1/2)^n)/3
в)32(1-(-1/2)^n)/3=21/2
64(1-(-1/2)^n)=63
1-(-1/2)^n=63/64
(-1/2)^n=1-63/64
(-1/2)^n=1/64
n=6

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