WBJEE 2023 Math Solved Paper
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Question : 66 of 75
Marks:
+1,
-0
Let f be a non-negative function defined on [ 0 ,
] . If
( f ′ ( t ) − s i n 2 t ) dt =
f ( t ) tan t dt , f ( 0 ) = 1 then
f ( x ) dx is
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