Saturday

October 25, 2014

October 25, 2014

Posted by **Emily** on Friday, October 15, 2010 at 7:10pm.

Show that the "value of 3x^2-6x+5" cannot be less than 1. ?

- Math -
**bobpursley**, Friday, October 15, 2010 at 7:17pmshow the opposite: the value is <1

3x^2-6x+5<1

3x^2-6x+4<0

x= (6+-sqrt(36-48))/6

well the serd here is imaginary. So the assumption of being less than one is false.

**Answer this Question**

**Related Questions**

CALCULUS! - suppose that 3 <_ f prime of x <_ 5, for all values x. show ...

calculus - Let f(x) = (x+1)/(x-1). Show that there are no vlue of c such that f(...

stats - Consider an infinite population with 25% of the elements having the ...

nicole - 1. determine the exact value.. cot 7pi/6 and sec(-210degrees) 2. ...

geometric mean - The geometric mean of two postitive numbers a and b is sqrt(ab...

calc - Use the Mean Value Theorem to show: -x < sinx < x for all x > 0...

Chemistry - When pH Value less than 0 or negative value ,it mean what? Because ...

Math - which letter on the number line show a value less than 3/5?

Math - 1) Given that f(x,y)=xy/x^2+y^2, hence show that f(xy) = f(yx) 2) use the...

Math - 1) Given that f(x,y)=xy/x^2+y^2, hence show that f(xy) = f(yx) 2) use the...