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MathsMediumMCQ2012 · 07 May Online

Q81.If x + |y| = 2y, then y as a function of x, at x = 0 is (1) differentiable but not continuous (2) continuous but not differentiable (3) continuous as well as differentiable (4) neither continuous nor differentiable

What This Question Tests

This question assesses the ability to define a function piecewise based on an absolute value and then analyze its continuity and differentiability at a specific point.

Concepts Tested

Absolute valuePiecewise functionsContinuityDifferentiability

Formulas Used

Definition of |y|

Conditions for continuity

Conditions for differentiability

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