∫sin101xsin99xdx=sin(100x)(sinx)2μ then λ+μ100 equal to
∫sin(100+1)x−sin99x=∫(sin100xcosx+cos100xsinx)sin99x=sin100xsin100x100−∫1100sin100xcos100x100+∫cos100xsin100xdx =sin100x⋅sin100x100λ=100,μ=100