For the differential equation x²(d²y/dx²)³ + y(dy/dx)⁴ + y⁴ = 0, the product of its order and degree is:
For the differential equation x²(d²y/dx²)³ + y(dy/dx)⁴ + y⁴ = 0, the product of its order and degree is:
- A. 2
- B. 4
- C. 6
- D. 8
Answer: C) 6
Explanation: Highest order derivative is d²y/dx² (order 2). Its power is 3 (degree 3). The product is 2 × 3 = 6.
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