briebrie2814 briebrie2814
  • 25-01-2021
  • Mathematics
contestada

how would the fraction 5÷1-√(3 be rewritten if it's denominator is rationalized using difference of squares

Respuesta :

oladayoademosu
oladayoademosu oladayoademosu
  • 30-01-2021

Answer:

-5(1 + √3)/2

Step-by-step explanation:

To rationalize 5÷1-√3, we multiply both the numerator and the denominator by the conjugate of 1 - √3 = 1 + √3.

So 5 ÷ (1 - √3) = 5/(1 - √3), we multiply by the conjugate of the denominator, we have

5/(1 - √3) × (1 + √3)/(1 + √3) = 5(1 + √3)/[(1 - √3) × (1 + √3)]

=  5(1 + √3)/(1² - (√3)²)

=  5(1 + √3)/(1 - 3)

= 5(1 + √3)/-2

= -5(1 + √3)/2

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