Find the value of the derivative (if it exists) at the indicated extremum. (If an answer does not exist, enter DN x2 f(x) x2 + 7 f '(0) = (0,0) -1

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A: u=7i+6jv=4i-4ja) 23u23u=23(7i+6j)23u=237i+23*6j23u=143i+4jb) 3v=3(4i-4j)3v=12i-12jc)v-u=(4i-4j)-(7i-...

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Q: 6 Convert your original pair of complex numbers to polar form. D= 1-j2 A = 2+ j3

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