2∂∂∂TTX∂ = A2 2∂ + XSINX UT=0 = COSX, ∂ T=0 = 3X2, ∂ (0, T) = 0...

14. - BAI TAP CHO 16 UNIT 12 CO DAP AN
BAI TAP CHO 16 UNIT 12 CO DAP AN
14.

2

∂tx∂ = a

2

2

∂ + xsinx u

t=0

= cosx, ∂

t=0

= 3x

2

, ∂ (0, t) = 0

2

u