Question

by using epsilon - delta definition. prove that lim(x^2+2x-y^2)=7.(x, y) tends to (1,2)

Answer 1

Answer:

I like this question but you don't worry

Answer 2

Answer:

1^2+2×1-2^2

1+2×2-4

3×[-2]

-6

Step-by-step explanation:

-6