If the common difference of an
a.p is -3 and the 18th term is -5, then find its first term
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Answered by
16
a18 = -5
a18 = a+17 d
-5 = a + 17×(-3)
-5 = a - 51
-5 + 51 = a
46 = a
hence, the first term of an AP is 46
a18 = a+17 d
-5 = a + 17×(-3)
-5 = a - 51
-5 + 51 = a
46 = a
hence, the first term of an AP is 46
Answered by
3
here a =46.............
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