Discover Questions

Can you help me with this multivariable question? http://tinypic.com/r/29awjet/9? Do you agree with the Meteorologist who now say the weather cycles every XX days? Sigma n = 1 to infinity cos^2na = 1/2(n + (cos(n+1)a sin n a / sina ))? Prove that the work done in raissing a mass m from earth s surface to a height h is (mg) / (1+(h/R)) R is raidus of earth? Which element has the core electrons 1s22s22p6? 1) He 2) O 3) Be 4) Na?