Ciąg (9,x,19) jest arytmetyczny , a ciąg geometryczny . Oblicz x,y oraz z .
9+2r=19
r=5
x=9+5
x=14
42/14=q
q=3
42*3=y
y=126
z=126*3
z=378
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9+2r=19
r=5
x=9+5
x=14
42/14=q
q=3
42*3=y
y=126
z=126*3
z=378