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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`. |
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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`. |
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