Question

find the 5th term from the end of the arithmetic progression 17,14,11....-40

Answer 1

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Answer 2

AP frm the end will be
-40....11,14,17
Now, here first term (a) = -40
(d) = 11-14 = 3
a5 = a + 4d
= -40 + 4×3 = -40 + 12 = -28