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In need of help on Alg 2
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In need of help on Alg 2

In need of help on Alg 2-example-1
User Mjepson
by
4.3k points

1 Answer

6 votes

Answer:


(20)/(13) +
(5)/(13)
√(3)

Explanation:

Given


(5)/(4-√(3) )

To rationalise the denominator, multiply the numerator/ denominator by the conjugate of the denominator.

The conjugate of 4 -
√(3) is 4 +
√(3)

=
(5(4+√(3)) )/((4-√(3))(4+√(3)) )

=
(20+5√(3) )/(16-3)

=
(20+5√(3) )/(13)

=
(20)/(13) +
(5)/(13)
√(3)

User Nikunj Paradva
by
4.9k points
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