Math, asked by bhatumar2k19, 1 month ago

the 1st term of an Ap is 420 and common difference is 7,its 19th term is
a)553 b)546
c)557 d)624

Answers

Answered by sjsubisri

1

Answer:

546

Step-by-step explanation:

t1=420 d=7 tn=a+(n-1)d

t19=420+(19-1)7

=420+(18)7

=420+126

=546

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