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13-05-2020
Mathematics

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Find the first three terms of the sequence below.
Tn=n^2+2n+9

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13-05-2020

Answer:

T1= -7;

T2= -6;

T3= -3

Step-by-step explanation:

T1=1^2-2x1-6= -7;

T2=2^2-2x2-6= -6;

T3=3^2-2X3-6= -3.

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