Computer Science homework help

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Consider an LED made of In1-xGaxAsyP1-y. An empirical relation that gives the band gap energy in terms of x and y is found as:Eg(x,y) =1.35 + 0.668x -1.17 y + 0.758 x2 + 0.18y2- 0.069xy – 0.322x2y + 0.33xy2 eV Find the band gap energy and the peak emission wavelength of In0.74Ga0.26As0.56P0.44.