Oy -
Sy-3
Whkh step could you use to start solving the system abowel
(A
Substitute x + 6y
for x In 2x Sy-3
Multiplyx by = 8 by 2 and add it to 2x - 5y = 3.
Multiplyx 6y + 8 by 2 and subtract it from 2x - 5y = 3,
Add 2x - 5y = 3 tox-by - 8

Find the directions in which the function increases and decreases most rapidly at upper p 0p0. then find the derivatives of the function in these directions. f(x,y)equals=x squared plus xy plus y squaredx2+xy+y2, upper p 0p0left parenthesis 1 comma negative 4 right parenthesis

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