Tìm một cơ sở của không gian nghiệm sau

W={(x,y,z)|x+y+z=0,x−y=0}

Step-by-step explanation:

To explain, g(x) is a squished version of f(x). Usually with exponential functions like this, multiplying them by a positive whole number (for example, 4) squishes them, while multiplying them by a positive decimal/fraction stretches them.

(If you can, use Desmos. It's an amazing graphing calculator, it's both an app and a website. It basically tells you the answer!)