Math, asked by manurakhi, 7 hours ago

is an ap s10-s9 is equal to

Answers

Answered by rajputhari555

3

Answer:

this is the answer

please give me some thanks

Attachments:

Answered by vishnumurthyR

0

Answer:

a = 28.97

d = 1.46

a50 = 100.51

Step-by-step explanation:

we now that ,

sn = n/ 2 [ 2a + ( n-1) d ]

on solving s50 and s9

we get a , and d

by the help of a and d we get a. 50

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