Question

Is zero a term of this given A.P 98,96,94,2..

Answer 1

Answer:

We know that the formula for the nth term is t

n

=a+(n−1)d, where a is the first term, d is the common difference.

It is given that the nth term is t

n

=12, the first term is a=100 and the difference d=96−100=−4, therefore,

Step-by-step explanation:

t

n

=a+(n−1)d

⇒12=100+(n−1)(−4)

⇒12=100−4n+4

⇒12=104−4n

⇒−4n=12−104

⇒−4n=−92

⇒n=

4

92

=23

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Answer 2

a=0, an/l=98, d=98-96=2=》96-94=2, n=?

an= a+(n-1)d

98= 0+(n-1)2

98= (n-1)2

98÷2 = n-1

49 = n-1

49+1 = n

50= n

Hence, 0 is the term of this A.P.