Math, asked by anishsuman72481, 8 months ago

यदि y = Ae^{mx} + Be^{nx} है तो दर्शाइए कि d^{2}y/dx^{2} - (m+n)dy/dx +mny =0

Answers

Answered by amitnrw
0

d^{2}y/dx^{2} - (m+n)dy/dx +mny =0 यदि y = Ae^{mx} + Be^{nx}

Step-by-step explanation:

y = Ae^{mx} + Be^{nx}

दर्शाइए कि

d^{2}y/dx^{2} - (m+n)dy/dx +mny =0

y = Ae^{mx} + Be^{nx}

dy/dx = mAe^{mx} + nBe^{nx}

d^2y/dx^2 = m^2Ae^{mx} + n^2Be^{nx}

d^{2}y/dx^{2} - (m+n)dy/dx +mny =0\\

LHS =

m^2Ae^{mx} + n^2Be^{nx} - (m + n)(mAe^{mx} + nBe^{nx}) + mn(Ae^{mx} + Be^{nx} )

m^2Ae^{mx} + n^2Be^{nx} - m^2Ae^{mx} - mnBe^{nx}) -nmAe^{mx} - n^2Be^{nx}+ mnAe^{mx} + mnBe^{nx} )

= 0

= RHS

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