Tuesday

March 31, 2015

March 31, 2015

Posted by **kusum** on Thursday, August 4, 2011 at 1:28am.

- maths -
**Reiny**, Thursday, August 4, 2011 at 7:39amlet f(x) = x^3 + mx^2 + nx + 6

given:

f(2) = 0

= 8 + 4m + 2n + 6 = 0 ---> 2m + n = -7

given: f(3) = 3

= 27 + 9m + 3n + 6 = 3 --- 3m + n = -10

subtract the two equations to get : m = -3

sub that into 2m+n=-7

-6 + n = -7

n = -1

m= -3, n = -1

**Answer this Question**

**Related Questions**

Math - How many integers between 200 and 500 inclusive leave a remainder 1 when ...

Math - How many integers bewteen 200 and 500 inclusive leave a remainder 1 when ...

Maths - 3 2 If 3x+ax+bx+4 has x+1 as factor and leaves remainder 2 when divided...

Math - Find the least positive integer that leaves the remainder 3 when divided...

math - 1.) when the expression 4x^2-3x-8 is divided by x-a, the remainder is 2. ...

Math - What is the smallest number which when divided by 10 leaves a remainder ...

MATHS - A number has 3 digits. When it is divided by 6 or 7, it leaves a ...

Mathematics - For what values of m and n Does the expression ( mx^4 + nx^3 + 14x...

number theory - Find the least positive integer that leaves the remainder 3 ...

maths - If the integer N leaves a remainder of 1234 when divided by 2013, what ...