Ex 9.4, 16 (MCQ) - A homogeneous differential equation dx/dy = h(x/y) - Ex 9.4

part 2 - Ex 9.4, 16 (MCQ) - Ex 9.4 - Serial order wise - Chapter 9 Class 12 Differential Equations

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Ex 9.4, 16 A homogeneous differential equation of the from 𝑑π‘₯/𝑑𝑦=β„Ž(π‘₯/𝑦) can be solved by substitution. (A) 𝑦=𝑣π‘₯ (B) 𝑣=𝑦π‘₯ (C) π‘₯=𝑣𝑦 (D) π‘₯=𝑣 Given 𝑑π‘₯/𝑑𝑦 = h(π‘₯/𝑦) Here, h(π‘₯/𝑦) is a function of π‘₯/𝑦 So, we will make the substitution x = vy So, the correct answer is (c) Note: An example of function h(π‘₯/𝑦) can be h(π‘₯/𝑦) = (𝑒^(π‘₯/𝑦)βˆ’1)/(π‘₯/𝑦) So, we solve it by substituting x = vy

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