The app will only let me give one photo at a time, so here's part 1.
Santos flipped a coin 300 times. The coin landed heads up 175 times. Find the ratio of heads to total number of coin flips. Expr
1 answer:
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The Lagrangian,
has critical points where its partial derivatives vanish:
tells us
, so that
Then with , we get
and tells us
Then there are two critical points, . The critical point with the negative
-coordinates gives the maximum value,
.