Math, asked by satishagrawal2092, 11 months ago

If 9th term of an ap is zero prove that it's 29 term is double the 19th term

Answers

Answered by getting2adi
6

Answer:

LHS = RHS ==0

Step-by-step explanation:

9th term = 0

a + 8d = 0

a = -8d

thus,

29 th term = 2 ( 19 th term)

a + 28d = 2 ( a+ 18d)

- 8d + 28d = 2( - 8d + 18d)

20d = 2( 10d)

20d = 20d

0 = 0

HENCE PROVED

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