It is known that x = 1 is an extreme point of the function f (x) = MX ^ 3-3 (M + 1) x ^ 2 + NX + 1
f'(x)=3mx²-3(m+1)x+n
=>3m-6m-6+n=0
=>n-3m=6
=>n=3(m+2)
It is known that x = 1 is an extreme point of F (x) = MX ^ 3-3 (M + 1) x ^ 2 + NX + 1, where m and N belong to R, M
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