1.

If the polynomials `a x^3+3x^2-13`and `2x^3-5x+a ,`when divided by `(x-2)`leave the same remainder, find the value of `a`.

Answer» `f(x)=ax^3+3x^2-13`
`g(x)=2x^3-5x+9`
`x-2=0`
`x=2`
`a2^3+3*2^2-13=2*2^3-5*2+9`
`8a+12-13=16-10+9`
`7a=6+1`
`7a=7`
`a=1`.


Discussion

No Comment Found