anthonystupid anthonystupid

10-03-2021
Mathematics

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can someone tell me the common ratio? math help pls

can someone tell me the common ratio math help pls class=

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nicholas6629 nicholas6629

10-03-2021

common ratio is equal to ar^n-1.

a=-1/2, r=?

T2=-1=ar^n-1

n=2

-1/2*r ^2-1=-1

r=1

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