Math, asked by mukundkudli15, 9 months ago

find number of term in the AP A. 100 , 98 , .......... 6 , 4​

Answers

Answered by biligiri
0

Step-by-step explanation:

a = 100, d = -2, n = ?, aₙ = 4

aₙ = a + (n-1)d

4 = 100 + (n-1) × (-2)

=> 4 = 100 - 2n + 2

=> 4 = 102 - 2n

=> 2n = 102 - 4

=> 2n = 98

=> n = 98/2 = 49

therefore there are 49 terms in the given A.P

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