Math, asked by Jhillzy89, 1 year ago

Applications sequencing please help.

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Answered by mysticd
0
Hi ,

It is given that ,

an = - 1/125 ( 5^n - 1 )

if n = 7 ,

a7 = ( - 1/125 ) ( 5^7- 1 )

= ( - 1/5³ ) ( 5^6 )

= - 5^6-3

= - 5³

= - 125

Therefore ,

seventh term = a7 = - 125

I hope this helps you.

: )

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