Question

Find the fifth term from the end in an A.P -11, -8 , -5, .......... 49 (Show proper steps) ​

Answer 1

Answer:

$37 \: is \: last \: 5t \: term$

Answer 2

Answer:

$a + nd = 49 \\ a = - 11and \: d = - 8 - ( - 11) = 3 \\ a + nd = 49 \\ - 11 + n \times 3 = 49 \\ 3n = 49 + 11 \\ 3n = 60 \\ n = 20 \\ then \: fifth \: term \:from \: the \: end \: is \\ 16th \: term \: from \: starting \: a + 15d = - 11 + 15 \times 3 \\ - 11 + 45 \\ 34$