If $a_1=a_2=2, a_n=a_{n-1}-1(n>2)$, then $a_5$ is

JEE MATHEMATICS MCQ: SEQUENCE OF SERIES

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Application +4 | -1

a_1=a_2=2, a_n=a_{n-1}-1(n>2)

, then

a_5

View answer and explanation

Correct option: C

-1

Option C (-1) is correct because by recursively applying the formula

a_n = a_{n-1} - 1

with the given initial values, we find that

a_5 = -1

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