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Y= 2x + |cosx| one one or many one..?? Into or onto??

Y= 2x + |cosx|  one one or many one..?? Into or onto??
 

Grade:12

1 Answers

Deepak Kumar Shringi
askIITians Faculty 4407 Points
4 years ago
find dy/dx as its always positive for all x that means it is one-one

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