is -1 a term of an ap 27, 23, 19......-65?justify.
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Ans: an = a + (n-1) d
-1 = 27 + ( n- 1) -4
n = 8
Yes, -1 a term of an ap 27, 23, 19......-65
-1 = 27 + ( n- 1) -4
n = 8
Yes, -1 a term of an ap 27, 23, 19......-65
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