Math, asked by omjangid, 1 year ago

प्रथम पद a, दूसरा पद b, और अंतिम पद c हो तो सभी पदों का योगफल क्या होगा​

Answers

Answered by beastboyshub
0

bhai kuch samja nahi


HARSH958317: mtlb
Answered by rakesh21870
0

Answer:

Step-by-step explanation:

a1=a

a2=b

an=c

Now,an=a+(n-1)d

Here a=a,an=c,d=b-a

So,

c=a+(n-1)(b-a)

n=b+c-2a

-----------

b-a

Put this in the formula

Sn=n/2(a+an)

You will get the answer

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