anonymous
  • anonymous
The number (1+sqrt 5)/2 is known as the golden ratio, and shows up in various natural solutions. The ancient Greeks used this number as a guide in their architectural designs for the ratio of width to height for building fronts. what is the conjugate expression for the golden ratio? my answer is 1-sqrt of 5 but the book says (1-sqrt 5)/2.. can someone explain it to me..
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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experimentX
  • experimentX
(a+b)/b = b/a just put b/a = x and solve for it's two values.
anonymous
  • anonymous
can explain further please?
experimentX
  • experimentX
(a+b)/b = b/a <-- definition of golden ratio let b/a = golden ratio = x a/b+b/b = x 1/(b/a) + 1 = x 1/x + 1 = x <--- quadratic equation ... which has two roots. find two roots. that's all.

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phi
  • phi
the conjugate of 1+sqrt 5 is 1- sqrt 5 but they want the conjugate of (1+sqrt 5)/2
anonymous
  • anonymous
that's it? lol i need to read carefully.. thank you very much:)

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