Question

If x is an real number then the maximum value of 6x - x^2 - 11

Answer 1

using calculus?

Answer 2

naah !!..
plz suggest a simple way..

Answer 3

then u use the formula, the max or min value of quadratic function \(ax^2+bx+c\) is -b/2a

Answer 4

hmmm.....how is dis formula derived

Answer 5

using calculus :P

Answer 6

or by finding the vertex of the parabola represented by ax^2+bx+c

Answer 7

ohkk.,,....what according to you shud d ans,..?

Answer 8

Compare your quadratic function with \(ax^2+bx+c\)
find a,b,c
Max. value is then, -b/2a
what u get a and b as ?

Answer 9

i got a as 1 n b as -6???..rite?

Answer 10

so what u get as a=?
and b=?