Q18) Which term of the progression 20, 19 , 18, 17, … is first negative term.
Answers
Answered by
7
Step-by-step explanation:
The given AP is 20, 19 1/4, 18 1/2, 17 3/4, ..... Let the nth term of the given AP be the first negative term. Then, Hence, the 28th term is the first negative term of the given AP.
Answered by
2
Answer:
22 term
Step-by-step explanation:
let consider as nth term is 0
and solve A.P.
t^th term = a + ( n-1 ) d
therefore
t^th term = 0
a = 20
d = -1
0 = 20 + (n -1) -1
21 = n
therefore first negative term.is 22 term
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