It is: 6*(2+3-1)+80 = 25
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n2 = n+25 n2-n-25 = 0 Using the quadratic equation formula gives n a positive value of (1+the square root of 101) over 2 which is about 5.524937811 5.5249378112 = 30.52493782 which is nearly correct.
Using the discriminant formula for a quadratic equation k has a value of 8/25 or maybe 0.
x2 + 10x + 25 = 0
Point of intersection: (5/8, 5/2) Square both sides of the first equation and merge it with the second equation to form a quadratic equation:- 4x2-5x+25/16 = 0 Solving the above using the quadratic equation formula gives x as having two poitive roots of 5/8 and substituting this into the linear equation gives y a value of 5/2.
0. Differentiation of a constant gives f'(x)=0.