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20b(4b3)3
Verify the identity: a) cos2x=cos2x−sin2x b) cos2x=1−2sin2x
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If x , y , z are positive numbers, then prove that x x + y + y y + z + z z + x ≤ 2Though I have solved a lot of problems on AM-GM inequality, I am unable to solve this one. I am also not showing my working because I do not think that they will be of any help.
Find the mean and median wage. A supervisor at $1,200 a week, an inventory manager at $700 a week, six stock boys at $400 a week and four drivers at $500 are employed by a small warehouse. Mean: The sum of all the entries divided by the total number of entries is known mean.
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Evaluate the indefinite integral. ∫(2x3−7)2dx
With the aid of Laplace Transform, solve the Initial Value Problemy(t)−y′(t)=etcos(t)+sin(t),y(0)=0,y′(0)=0
What is the distance between Sun and earth?
Prove that3(sinθ−cosθ)4+6(sinθ+cosθ)2+4(sin6θ+cos6θ)−13=0
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