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Using the chain rule of dy/dx=dy/du * du/dx we label sin(x) as u. Now we differentiate u with respect to x, getting cos(x). Then we differentiate u² , getting 2u. Mutiplying these together gets...

Many characters in 'King Lear' disguise their intentions towards other characters through their manipulative use of language. For example, Regan and Goneril initially trick their father into disowning his...

So the first part of this question is regarding your knowledge and understanding on the subject matter. You should know that for real and equal roots, (b² - 4ac)=0. (For real and unequal roots,...

The ball has initial momentum p₁= mu, and final momentum p₂=vm. According to the Newton's 2nd law of motion a force exerted on the ball is equal to the rate of change of momentum . I...

You can't directly measure lattice enthalpy of a solid crystal, so you have to look at a different method. Usually this would be experimentally or using Hess's Law to construct a Born-Haber cycle. The Bor...