Curve y = 2x – x2, y(x) & y′(x) cut x-axis in M & N number of points respectively, find M + N.
Curve y = 2x – x2, y(x) & y′(x) cut x-axis in M & N number of points respectively, find M + N.
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1 Answer
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y (x) = 2x – x2
y? (x) = 2x log 2 – 2x
M = 3
N = 2
M + N = 5
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