Question 195723
*[Tex \LARGE \frac{x^4-10x^2+21}{x^2-3}]




*[Tex \LARGE \frac{(x^2-7)(x^2-3)}{x^2-3}]



*[Tex \LARGE x^2-7]



Ans: *[Tex \LARGE \frac{x^4-10x^2+21}{x^2-3}=x^2-7]