Question

श्रेणी 1,1/2,0,-1/2 ............का 15 वाँ पद ​

Answer 1

Answer:

a = 1

d = 1/2 - 1 = -1/2

n = 15

an = a + (n - 1) × d

a15 = 1 + (15 - 1) × -1/2

a15 = 1 + 14 × -1/2

a15 = 1 - 7

a15 = -6 Ans.

Step-by-step explanation:

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