DSE 2016 doubt

[Halflife]

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[Algaeconomics]

If I had faced this ques for the first time i would have also marked D
But I think this is so because since the fn is differentiable it is continuous too and the C is a wider option including both x=1 and x=3

[Halflife]

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[Asd1995]

Because what holds for x^2 may not hold for any other function you take. The problem is solved by applying Rolle's theorem to g'(x).

[Halflife]

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[Algaeconomics]

Can you explain how to apply Rollles theorem here??

[Seecha]

I have done this through lagrange interpolation formula ..... check out online .... its esy from that method

[Halflife]

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