X(0) -90020 4) Solve for lup's - [-3x K te 42 12x7 at
Given the following piecewise function, evaluate f(-5). I < -4 f(x) = . 1-42 -3x (x² – 2 -4 < x < 0 0<x
4. Solve the initial, boundary value problem by the Fourier integral method te = kurz, 0<x<oo, t>0, us(0,t) = 0, u(x, t) bounded as T-100 0S$ 0, >4 f(x)-( 4 u(z,0)=f(x),
4. Solve the initial, boundary value problem by the Fourier integral method te = kurz, 04 f(x)-( 4 u(z,0)=f(x),
2. (K/U: 6 marks and T: 6 marks) Solve for x. (a) 2x3 – 3x² – 8x +12<0 o bob UAH (b) log(x + 3) + log(x - 1) – log 21 = 0 (c) 32x+1 < 81
Solve: x^2 - 3x < 4
Solve 3x^4 −x^2 +8 = 0. Hint : Substitute x^2 = s Thank you for helping me!!!
Solve x′ =2x+y, x(0)=1 y′ =3x+4y, y(0)=0
Question 3 20 pts Solve the following equation for x: x² + 3x-4=0 Place the roots for the equation into the spaces below. Be sure to place the smaller root into the first blank and the larger root in the second blank. Do not include radicals in your final answer. Root 1 Root 2
4. Using Laplace transform, solve the differential equation x" + 4x' + 3x = δ(t) + e-2t, χ(0) = 0, x'(0) = 0
2. Solve the DE: (3x²y + cos x) dx +(x +e") dy = 0