Question #b4b40

1 Answer
Chirag Mehta · Jumbotron
Dec 26, 2017

484,324,820

Explanation:

#a_1=5#

#a_n=98,415#

#d=10#

#a_n=a_1+(n-1)d#

#98,415=5+(n-1)10#

#98,415-5=(n-1)10#

#98,410=(n-1)10#

#9,841=n-1#

#9842=n#

#S_n=n/2 (a_1+a_n)#

#S_(9842)=9842/2 (5+98,415)#

#S_(9842)=4921(98,420)#

#s_9842=484,324,820#

hope it helps!

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