Question

Find the 19th term of an AP 2,9,16,.......

Answer 1

Answer:

128 note:in AP common difference is same

Step-by-step explanation:

tn=a+(n-1)d

here a=2,d=7 (common difference)

t19=?

t19=2+(19-1)7

    =2+(18)7

     =2+126

     =128

Answer 2

AP:2,9,16....

a=2,d=7,n=19

a +( n-1 ) d

2+(19-1)×7

2+18×7

=128

The 19th term of the given AP is 128

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