The 7 th term from the end of the AP -11 , -8 , -5 , .............., 49 is *
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Reverse AP : 49, ...... ,-5,-8,-11
a = 49
d = -11 - (-8) = -3
a7 = a + ( n - 1 ) d
= a + ( 7 - 1 ) d
= 49 + (6*-3)
= 49 + (-18)
= 31
7th term of the AP from end is 31.
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