In an AP if a11 = 38 and ,a16 = 73 then the 3rd term is ...
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Answer:
a11 = 38
a + 10d = 38
a = 38 - 10d ---- 1
a16 = 73
a + 15d = 73
38 - 10d + 15d = 73
5d = 35
d = 7 ---- 2
2 in 1
a = 38 - 10(7)
a = -32
a3 = a + 2d
= -32 + 2(7)
a3 = -18
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