Question

Which term of ap 83,77,71....is its first negative term

Answer 1

hey frnd.....
a= 83
d = 77-83 = -6
let's 0 is the nth term of this AP
0 = a + (n-1) d
0 = 83 + (n-1)(-6)
-83 = (n-1) (-6)
13.88 = n-1
14.88 = n
so 0 comes after 14th term of AP
hence we can say that 15th term is first negative term of this AP.

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Answer 2

!!!!!!!!Hope is help for you!!!!!!!!

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