MAI391_-_SP_2024_-_FE_2021.webp

(See picture)
A. (iv)
B. (iii)
C. (ii)
D. (i)
(Choose 1 answer)
The first-order Taylor polynomial of
f(x, y) = (x²+2xy² + 1)²about (1, -1) is ax + by + c.
The value of a - b is
(i) 0
(ii) 32
(iii) 64
(iv) 128
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