CUSAT 2021 BTech Solved Paper Shift 1

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Question : 224 of 250
 
Marks: +1, -0
If ∆(n)=|
xnsin‌xcos‌x
n!sin‌‌
nπ
2
cos‌
nπ
2
αα2α3
|
, then the value of ‌
dn
dxn
[∆(x)]
at x=0 is
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