Question

What should be added to x2 +xy+y2 to obtain 3x2+2xy ?

Answer 1

Answer:

$\huge\mathcal\pink{ANSWER:-}$

Metamerism is a phenomenon that occurs when two colors appear to match under one lighting condition, but not when the light changes. Metameric matches are quite common, especially in near neutral colors like grays, whites, and dark colors like these