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To rationalise a denominator in the square root of the form a + ./ b, we introduce what we call the conjugate of a + ./ b, which will be a - ./ b.
a + ./b and a - ./b are conjugate pairs because their product in this case result in a number which is free of square roots, provided that a and b begin without any square roots at all.
a + ./b and a - ./b are conjugate pairs because their product in this case result in a number which is free of square roots, provided that a and b begin without any square roots at all.
Date Posted:
4 years ago
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