Triangle ABC is isosceles. What is the equation of the line that contains the midpoints of the two sides of equal length?
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Answer:
The sequence can be represented by the formula of its nth term:
Step-by-step explanation:
Notice that we are in the presence of an alternate sequence (the values alternate from negative to positive. Therefore we need to take into account that there should be a factor "-1" raised to the "n" value for the sequence. Also, given that the sequence looks in absolute value like the harmonic sequence, we conclude upon the following general form for the "nth" term of the sequence: