Multiple Choice
Do the equations x2 + y2s + yt2 =13 and y2 + x2s + xt2 = 9 define s and t as functions of x and y near the point (x, y, s, t) = (1, 2, 1, -2) ? If so, find at that point.
A) 2
B) 1
C) 0
D) -2
E) The equations do not define s and t as functions of x and y near the given point.
Correct Answer:

Verified
Correct Answer:
Verified
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