Continuity and DifferentiabilityHard
Question
If y = x - x2, then the derivative of y2 w.r.t. x2 is
Options
A.2x2 + 3x - 1
B. 2x2 - 3x + 1
C.2x2 + 3x + 1
D.2x2 + 3x + 1
Solution
y = x - x2
=
.(1 - 2x)
= 1 - 3x + 2x2
=
.(1 - 2x) = 1 - 3x + 2x2
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