Question

total dervatie of x^2+2xy+y^2 at point (-1,-2)​

Answer 1

Answer: 1

Step-by-step explanation:

In (-1.-2), the x-coordinate is (-1) and the y-coordinate is 2.

Thus, by substituting the values of x and y in the equation,

$x^{2} +2xy+y^{2} \\=(-1)^{2}+2*(-1)*2+2^{2} \\=1+(-4)+4\\=1$

Please mark as brainliest and follow me...