Answer:
2
Example:
so:
a3 = 2 + ( 3 - 1 ) 2
a3 = 2 + (2) 2
a3 = 2 + 4
a3 = 6 and common difference is d = 2x2
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Answers & Comments
Answer:
2
Example:
an = a1 + ( n - 1 ) d
so:
a3 = 2 + ( 3 - 1 ) 2
a3 = 2 + (2) 2
a3 = 2 + 4
a3 = 6 and common difference is d = 2x2