1
COMEDK 2020
MCQ (Single Correct Answer)
+1
-0

The ninth term of the expansion $${\left( {3x - {1 \over {2x}}} \right)^8}$$ is

A
$${{ - 1} \over {512{x^9}}}$$
B
$${1 \over {512{x^9}}}$$
C
$${1 \over {256.\,{x^8}}}$$
D
$${{ - 1} \over {256.\,{x^8}}}$$
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