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let f(x)=(2x-pi) ^3 +2x-cosx. the value of modulus of d/dx of f inverse of x when x= pi is

let f(x)=(2x-pi) ^3 +2x-cosx. the value of modulus of d/dx of f inverse of x when x= pi is
Grade:12

1 Answers

basit ali
41 Points
13 years ago

after doing d{f-1(x)}/dx we get  -6/(2x-pie)4 -1/2x2 +1/sinx; after putting x=pie , we get   mode of  d{f-1(x)}/dx= infinite.                                                                                 PLZ APPROVE MY ANSWER

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