Question: I need help with these two problems please and please make it legible. Find the limit by rewriting the fraction first. y + 81 lim

I need help with these two problems please and please make it legible.

$legible. Find the limit by rewriting the fraction first. y + 81$

Find the limit by rewriting the fraction first. y + 81 lim (x,y)- (9, -81) x y - xy + 81x" - 81x y# - 81, x#x y + 81 lim = 2 (Simplify your answer.) (x,y)-(9, -81) x y - xy + 81x" - 81x y# - 81, x#x4 e By sin ( - 3x) Find lim (x,y)-(0,0) 4x 4 e By sin ( - 3x) lim E (x,y) -(0,0) 4x (Type an integer or a simplified fraction.)

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