Question

Write the 100th term of the A.P. 2, 22,...

Answer 1

100th term for given A.P is 1982

Step-by-step explanation:

Given a.p is 2,22

here , a=2 & d= 22-2=20

we have to find t100

therefore n= 100

so,

tn = a+(n-1)d,

now substituting values,

t100= 2+(100-1)*20

=2+99*20

=2+1980

=1982

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Answer 2

Answer:

a=2,d=20 n=100

an=a+(n-1)d

a100=2+(100-1)20

=2+99×20

=2+1980

=1982

so 100th term of a.p. is 1982