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Problem involving math induction! If m and n are distinct real numbers, prove that (m+2)^2 = (n+2)^2 if and only if x+y=-4? Current in a circuit increases linearly from 0 to 5A over 5 second total charge flowing through cicuit over duration is seniors plz give ans? White light is directed at difraction grating at angle normal to gratting.starting at norml to grating 0dgre the odr of red,gren,blue wil be? Find Marginal Cost from total cost function (P^2)A(P)? Find all solutions to the following system of nonlinear equations.
(x − 2)^2 + y ^2 = 20
(x + 2)^2 + y^ 2 = 20?