Answer:
Explanation:
note :
the nth term is : An =A1 × r^(n-1)
put : n = 2 you have the second term A2 =20 × (y²)^(2-1)
A2 = 20y²
n=3 A3=.......
n=4 A4 =.....
n=5 A5 = ......
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