College Algebra

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Write expression as a single quotient

(49-x^2)^1/2 + 3x^2(49-x^2)^-1/2
________________________________
49 - x^2

  • College Algebra -

    common factor of (49-x^2)^(-1/2) at the top
    = (49-x^2)^(-1/2)[49-x^2 + 3x^2]/(49-x^2)
    = (49 + 2x^2)/(49 - x^2)^(3/2)

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