Question

find the 20th term of the last term of the AP 3 8 13....253
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Answer 1

Answer:

nwhjwvsigsywvoscs9gsisV0wvshwsgwuvsyisg

Answer 2

Answer:

we have to find a20 so,

here a1= 3. d= 8-3=5

an=a +n-1(d)

253=8+n-1(5)

253-8=5n-5

245+5=5n

n=250÷5=

=50

so a20=a+19d

=3+19(5)

=98