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October 25, 2014

October 25, 2014

Posted by **Anupam khatiwara** on Sunday, July 29, 2012 at 2:07am.

If 3x+ax+bx+4 has x+1 as factor and leaves remainder 2 when divided by x-1, find the value of a and b.

- Maths -
**MathMate**, Tuesday, July 31, 2012 at 7:15pmf(x)=3x^3+ax^2+bx+4

f(1)=2 => 3+a+b+4 = 2 ....(1)

f(-1)=0 => -3+a-b+4=0 ....(2)

can you solve the system defined by (1) and (2) with a and b as unknowns?

Hint: both a and b are negative.

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