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Black Book Advanced Problems in MathematicsMathematicsDifferential Equations

A function y = f(x) satisfies the differential equation f(x) 2x - x + (1 + ^2 x) f'(x) = 0 with f(0) = 0 . The value of f ( 6 ) equals to:

Options

A2 5
B3 5
C1 5
D4 5 .

Correct answer

A. 2 5

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