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Important aspects of designing energy efficient building? I'm unable to correctly put u(x) and v(x) together, I got 5(e^2x)+4 but it was wrong. Any help would be appreciated.? Is there any reaction from store bought ammonia and sugar (sucrose)? If so, a chemical equation would be appreciated.
NH4 + C12H22O11? Solve the equation: tanx + secx = 1? In winter, how much difference is there between indoor and outdoor temperature? Would it be a few degrees or more / less?