Consider a function u which depends on position x and time

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Consider a function u which depends on position x and time t. The partial differential equation
δu = δ²u is known as the
δt δx²

1. Wave equation
2. Heat equation
3. Laplace's equation
4. Elasticity equation

Correct Option: B

	δu	=	δ²u
	δt		δx²

is called as heat equation.