QJEEM19Ma21da: JEE Main 2019 Mathematics - Class 11 JEEM19Ma21da Solution: If 19 th term of a non-zero A.P. is zero, then its (49 th term) …

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If 19^th term of a non-zero A.P. is zero, then its (49^th term) : (29^th term) is :

Accepted Answer

a + 18d = 0 . . . . .(1)

{{a + 48d} \over {a + 28d}} = {{ - 18d + 48d} \over { - 18d + 28d}} = {3 \over 1}

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