MCQ
समीकरण $\left(\frac{d y}{d x}\right)^4+3 y\left(\frac{d^2 y}{d x^2}\right)=0$ का घात है :
  • A
    4
  • 1
  • C
    2
  • D
    3

Answer

Correct option: B.
1
(B)

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