# math

posted by .

Simplify the rational expression in the form A/B. X^-2+X^-4. Express the final result in a single fraction using positive exponents only.

• math -

x^-2+ x^-4
= 1/x^2 + 1/x^4

=(x^2 +1)/x^4

## Similar Questions

1. ### college algebra

Describe two laws of exponents and provide an example illustrating each law. Explain how to simplify your expression. How do the laws work with rational exponents?

Simplify each expression. Assume all variables are positive. 1) 3 sqrt2 - 8 sqrt128 I think you subtract the 3 from the 8 but I do not know what else to do. 2) Simplify expression. Answer should have only positive exponents. (8x^3 …

Perform the indicated operations and simplify the result. Leave your answer in factored form. 1) x/16 - 1/x all over 1 + 4/x A) x+4/16 B) x-4/16 C) 16/x+4 D) 16/x-4 E) -16/x+4 I chose answer C. I saw this as x^2-16/ x+4. Multiply the …

1) An expression that occurs in calculus in given. Reduce the expression to lowest terms. (2x + 5) 4x - 2x^2(2) / (2x+5)^2 I have no idea what to do for this. 2) Simplify the expression. Express the answer so that only positive exponents …

1) An expression that occurs in calculus in given. Reduce the expression to lowest terms. (2x + 5) 4x - 2x^2(2) / (2x+5)^2 I have no idea what to do for this. 2) Simplify the expression. Express the answer so that only positive exponents …
6. ### math

Use the properties of exponents to rewrite each expression so that it contains only positive exponents and simplify the result. The answer is suppose to be 1/9. thank you (b^-1/3a^-1)(3a/b)^-1
7. ### math

How do u simplify . Express final answer using positive exponents. 2^3= (B^4)^-3=
8. ### Pre-Algebra

Simplify the expression. Write the result using positive exponents only. (-2x^3y^-4)(5x^-1y)
9. ### College Algebra

I have a few more questions that I'm not understanding. Its multiple choice however I would appreciate a breakdown on how to solve. 4.Simplify the compound rational expression. Use either method. 1+(5/y-10)/y+(25/y-10) a. 1/y-5 b. …
10. ### math

(16xy^3/-24x^4y)^-3 simplify the rational expression in the form A/B. Single fraction with only positive exponents.

More Similar Questions

Post a New Question