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MathsMediumMCQ2019 · 11 Jan Shift 2

Q85.The solution of the differential equation, dy dx = (x −y)2 , when y(1) = 1, is: (1) loge 2−x2−y = x −y (2) −loge 1+x−y1−x+y = 2(x −1) (3) −loge 1−x+y1+x−y = x + y −2 (4) loge 2−x2−y = 2(y −1)

What This Question Tests

This question requires solving a first-order differential equation by using a suitable substitution to convert it into a variable separable form and then applying the initial condition.

Concepts Tested

Variable separable formSubstitution method for differential equationsInitial value problems

Formulas Used

∫dx/(a^2-x^2) = (1/2a) log|(a+x)/(a-x)|

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📋 Question Details

Chapter
Differential Equations
Topic
Solving first order differential equations
Year
2019
Shift
11 Jan Shift 2
Q Number
Q85
Type
MCQ
NCERT Ref
Class 12 Mathematics Ch 9: Differential Equations

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