WBJEE 2021 Math Solved Paper
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CATEGORY - II (Q51 to Q65)
Carry 2 marks each and only one option is correct. In case of incorrect answer or any combination of more than one answer, ½ mark will be deducted.
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Question : 64 of 75
Marks:
+1,
-0
The differential of f ( x ) = log e ( 1 + e 10 x ) − tan − 1 ( e 5 x ) x = 0 d x = 0.2
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