Bihar has the highest population density in India. With a population density exceeding 1,100 people per square kilometer, Bihar is the most densely populated state in India. The high density is due to the state’s relatively small land area and a large population. Despite facing challenges related to infrastructure and development, Bihar’s population density highlights the demand for improved social and economic resources in the region
(b) Order of the differential equation: $ 5x^3 \frac{d^3y}{dx^3} - 3\left(\frac{dy}{dx}\right)^2 + \left(\frac{d^2y}{dx^2}\right)^4 + y = 0 $