1.

Let θ∈(0,π2) and x=X cosθ+y sinθ,y=X sinθ−Y cosθ such that x2+2xy+y2=aX2+bY2 Where a and b are constants then

Answer»

Let θ(0,π2) and x=X cosθ+y sinθ,y=X sinθY cosθ such that x2+2xy+y2=aX2+bY2 Where a and b are constants then




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