Question

which term of A.P 36,33,30,27..... is the first negative term??​

Answer 1

Answer:

-3

Step-by-step explanation:

reduce each term by 3 .

Answer 2

Given  :  A.P 36,33,30,27.....

To find : which term is  first negative term

Solution:

36  , 33 , 30  , 27

a = 36

d = 33 - 36 = - 3

nth term of AP  = a + (n-1)d

nth term < 0   ( for -ve)

=> a + (n-1)d < 0

=> 36 + (n-1)(-3) < 0

=> 36 - 3n  + 3 < 0

=> 39 - 3n < 0

=> 13 - n  < 0

=> 13 < n

=> n > 13

=> n = 14  will be the 1st - ve term

14th term will be 1st -ve term

& term would be 36 + (14 - 1)(-3) = - 3

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