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Question 1
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If $\log (1-x+x^2)={{a}}_1x+{{a}}_{2{}^{{}^{}}}{x}^2+{{{}{{a}}_3{x}^3+.\ldots.}}^{}$ then ${{a}}_3+{{a}}_6+{{a}}_9+.\ldots.$ is equal to
A.
$\log 2$
B.
$\frac{2}{3}\log 2$
C.
$\frac{1}{3}\log 2$
D.
$2 \log 2$
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