SOLUTION: The 100th term of an AP is 98, and the common difference is 2. Find the first three terms.
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Question 884972: The 100th term of an AP is 98, and the common difference is 2. Find the first three terms.
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
an = a + (n - 1)d
98 = a1 + 2*99
98=198+a1
100+a1=0
a1=-100
a2=-98
a3=-96
BTW
a51=-100+2*50
a51=0
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