In an A.P 7,28 163
the fourth term and the
common
difference
Answers
Answered by
5
Step-by-step explanation:
the first term is 7
• a=7
common difference=28-7
=21
•d=21
nth term is : a+(n-1)d
4th term is : 7+(3)(21)
=7+63
=70
thus the 4th term is 70...
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