1.

The foot of the perpendicular from the point (2, 4) upon x + y = 1 is

A. \(\left(\frac 1 2, \frac 3 2\right)\)
B. \(\left(-\frac 1 2, \frac 3 2\right)\)
C. \(\left(\frac 4 3, \frac 1 2\right)\)
D. \(\left(\frac 4 3,- \frac 1 2\right)\)
Answer» C. \(\left(\frac 4 3, \frac 1 2\right)\)


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