Rationalise the denominator of 1 + √3 ÷ (1 + √3)²
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Originally Posted by Detanon Rationalise the denominator and numerator of 1 + √3 ÷ (1 + √3)² Multiply the denominator by its conjugate.
Last edited by VonNemo19; Dec 17th 2009 at 07:04 AM.
How do you find the conjugate?
Originally Posted by Detanon How do you find the conjugate? Example: The conjugate of is .
Originally Posted by Detanon Rationalise the denominator of 1 + √3 ÷ (1 + √3)² Hi Detanon, The conjugate of is Now, multiply numerator and denominator by
I got (1 + 2√3) ÷ 2. but in my book it says the answer is (5 + 3√3) ÷ 2
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