1. If find u ਘੜਿ, ਤੂੰ) 2. If 2' 1 u(½1, 2). find u J²u - a²u at² ax² =0 u(x, 0) = 0 au(x, 0) = 0 at u(0, 1) = sin2 t, u(1, t) = 0, ди J²u - ax2 - = 0 u(x, 0) = 0 au (x, 0) = 0 at u(0, 1) = 0, ди ax (1, t) = t²e', for 0 < x < 1, t>0, for 0 ≤ x ≤ 1, for 0≤x≤ 1, for 0 < x < 1, t>0, for 0 ≤ x ≤ 1, for 0≤x≤ 1,