In the expansion of
$(2x + 1).(2x + 5) . (2x + 9) . (2x + 13)...(2x + 49),$ find the coefficient of $x^{12}$ is :-
In the expansion of
$(2x + 1).(2x + 5) . (2x + 9) . (2x + 13)...(2x + 49),$ find the coefficient of $x^{12}$ is :-
- A
$\frac{325}{2}$
- B
$325 \cdot (2^{12})$
- C
$325 \cdot (2^{11})$
- D
None of these
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