Rationalize the denominator?

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1 Answer
Feb 21, 2018

Multiply by the conjugate of the denominator over the conjugate of the denominator, and you'll get (358193) .

Explanation:

Multiply by the conjugate of the denominator over the conjugate of the denominator. This is the same as multiplying by 1, so doing this will give you an expression equal to what you originally had while removing the square root from your denominator (rationalizing).

The conjugate of the denominator is 194. For any term (a+b), the conjugate is (ab). For any term (ab), the conjugate is (a+b).

(19419+4)194194

192819+1619216

19819+161916

(358193)