Associated legendre functions. the associated legendre functions p(x) 2, are needed, e. g., in quantum physics. they are defined by 3 4. 06 pa(x) - dx dy pt(x), p(x). p(0), p(0) find pix) p(x) p(0) pr(0)

area of focus

heats surface water up

igneous rocks also form where plates converge. the subducting plate melts as it sinks into the crust of the earth, and the melt rises into the overriding plate forming volcanoes. metamorphic rocks are formed mainly in the lithosphere, wherever there is high pressure and high temperature. -woods