tbelle501
Answered

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11. What is the third term of the recursive sequence below? a1=-6 an=1/2an-1-n
Hurryy plzzz

11 What Is The Third Term Of The Recursive Sequence Below A16 An12an1n Hurryy Plzzz class=

Sagot :

devishri1977

Answer:

a

Step-by-step explanation:

[tex]a_{1} = -6\\\\a_{n}=\frac{1}{2}a_{n-1} - n\\\\a_{2}=\frac{1}{2}a_{1}-2\\\\ = \frac{1}{2}*(-6)-2\\\\ = -3 - 2\\\\= -5\\\\a_{3}=\frac{1}{2}a_{2}-3\\\\= \frac{1}{2}*(-5)-3\\\\=\frac{-5}{2}-3\\\\= \frac{-5}{2}-\frac{3*2}{1*2}\\\\=\frac{-5}{2}-\frac{6}{2}\\\\=\frac{-11}{2}[/tex]

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