Question

निम्न समांतर श्रेणी का योगफल पता करो 1+3+5+7+....+25​

Answer 1

Answer:

S = n/2 (a + l)

Here, n = 13 , a = 1, l = 25

S = 13/2 (1 +25)

S = 169

Step-by-step explanation:

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