find the fourth term from the end in an A.P. -11, -8, -5,................,49
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Answer:
an = 40
Step-by-step explanation:
From last,
a = 49
d = -11 - (-8)
= -3
n = 4
an = ??
an = a + (n - 1)d
an = 49 + (4 - 1)* (-3)
an = 49 - 9
an = 40
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