A) 9
B) 0
C) 10
D) 6
E) 5
Correct Answer: E
Solution :
\[{{[1+3{{(2x)}^{1/2}}]}^{9}}+{{[1-3{{(2x)}^{1/2}}]}^{9}}\] Let \[3{{(2x)}^{1/2}}=y\] \[\therefore \]\[{{[1+y]}^{9}}+{{[1-y]}^{9}}\]has\[\left( \frac{n+1}{2} \right)\]terms i.e., \[\frac{9+1}{2}=5\]termsYou need to login to perform this action.
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