Math, asked by shushi09, 9 hours ago

find
s  =  \frac{n}{2}(a + l) =  {2a + (n + 1)d}
explain in hindi ​

Answers

Answered by pavan2005rajak
0

Step-by-step explanation:

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Answered by ut5060
2

step by step explanation -

• above in picture

hope it is helpful to you

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