Math, asked by samruddhipathak, 1 year ago

HEY PLEASE HELP ME IN THIS
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STEP BY STEP...​

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Answers

Answered by vaidant54
1

THANKU

HOPE THIS WILL HELP YOU

ALL THE VERY BEST

MARK BRAINLIST IF YOU LIKE

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samruddhipathak: thanks...
vaidant54: Plz BRAINLIST
samruddhipathak: ya sure
vaidant54: please
samruddhipathak: aare let other answer.......how can i mark mark u as Brainliest until there are two answers
Answered by shrey2020
0

Answer:

21st term= a+ 20 d=25

sum of terms in AP=n/2[2a+(n-1)d]

n=41

sum= 41/2[2a+40d] =41*(a+20d)=41*25=1025

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