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How does resolving power affect the resolution of a microscope? The bigger the resolving power, the - the resolution? How many devices such as AC TV and lights can be connected to a single Arduino? For a given load how we can design the trusses geometry to minimise cost? Al(NO3)3+(NH4)2CO3=Al2(CO3)3+NH4NO3 solve for complete ionic equation? What will be derivative of : (sqrt(a + x) - sqrt(a - x)) / (sqrt(a + x) + sqrt(a - x))?