lindsayfhuag lindsayfhuag

11-04-2021
Mathematics

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Find the sum of the first 9 terms

Find the sum of the first 9 terms class=

Respuesta :

masesellemapalitch masesellemapalitch

11-04-2021

Answer:

S6=275548

Step-by-step explanation:

a=28 r=

[tex] \frac{t2 }{t1} [/tex]

r=

[tex] \frac{84}{28} [/tex]

S9=

[tex] \frac{28 - 28(3) {}^{9} }{1 - 3} [/tex]

S9=275547

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