Question

.lesson - polynomials

identify (x+y)² = x² +2xy + y²​​

Answer 1

Step-by-step explanation:

Actually (x+y)2=x2+y2 is not always true. But There do exist a few cases where it holds good like in case of numbers if x or y is equal to 0 or both of them are 0 merely for the sake of argument. In case of vectors it holds good when the