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myrzilka [38]
3 years ago
13

If u(x) = x5 – x4 + x2 and v(x) = –x2, which expression is equivalent to (U/V) (x)?

Mathematics
2 answers:
timurjin [86]3 years ago
8 0

Answer: C. -x^3+x^2-1

Step-by-step explanation:

Given Functions : u(x) = x^5 - x^4 + x^2

v(x) = -x^2

The expression equivalent to (u/v) (x) will be equivalent to \dfrac{u(x)}{v(x)} , since polynomials allows division.

\text{Now, }(u/v)(x)=\dfrac{u(x)}{v(x)}\\\\=\dfrac{x^5 - x^4 + x^2}{ -x^2}\\\\=\dfrac{x^5}{ -x^2}-\dfrac{x^4}{ -x^2}+\dfrac{x^2}{ -x^2}...........\text{Division law of exponents}\\\\=-x^{5-2}+x^{4-2}-x^{2-2}\\\\=-x^3+x^2-x^0\\\\=-x^3+x^2-1

Hence, (u/v)(x)=-x^3+x^2-1

lions [1.4K]3 years ago
3 0
Hello,

Answer C if x≠0


(x^5-x^4+x²)/(-x²)=-x²(x^3-x²+1)/x²=-(x^3-x²+1)=-x^3+x²-1

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