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The part of straight line y = x between x = 1 and x = 2 is revolved about x-axis, then the curved surface area of the solid

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The part of straight line y = x between x = 1 and x = 2 is revolved about x-axis, then the curved surface area of the solid thus generated is

(a) 2√2π

(b) 3√2π

(c) 3√2π

(d) None of these

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1 Answer

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Best answer

Correct option: (c) 3√2π

Explanation:

Curved surface area obtained on revolving a function between x = a and x = b along x-axis is:

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