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In the story of the Fall, the serpent is the creature which undermines God and goes against his wishes. The serpent persuades and tempts Eve to eat the forbidden fruit, and thus Eve goes against the one r...

Heat is lost in the fluid through Conduction convection radiation and evaporation. The silvered surfaces reflect infrared rays back into the liquid keeping heat in the fluid reducing heat lost by radiatio...

First notice that f(x) = u/v. So f'(x) =[ v(u') - u(v')]/v² (the Quotient rule). After working it out, we find f'(x) = 6x/(x² + 5)² (the steps can be shown on the whiteboa...

Take u = 1+3x² , this gives that y = u^1/3 . By the chain rule we have that dy/dx = dy/du * du/dx. By differentiating y = u^1/3 with respect to u giv...

first of all we have to recognise the general form of the equation, similar to the equation of a line but we just have to add one more term due to the fact that it is a second degree equation: y=ax^2<...