find the 19th term for following A. P. =7,14,21,28,........
Answers
Answered by
0
Answer:
133
Step-by-step explanation:
1st term 7
2nd term 7x2 = 13
..........
19th term 7x19 = 133
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Answered by
0
Answer:133
Step-by-step explanation:
formula for the nth term of an A.P. is
tn=a+(n-1)d
a=first term
n=nth term
d=difference a1,a2,a3...an, d=a2-a1,a3-a2...
t19=7+(19-1)7
d=14-7=7
t19=7+18.7
t19=7+126
t19=133
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