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preludefaun
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#1
How would you go about rationalising something where the denominator is all in brackets like:
(2 + √3)^2
(2 + √3)^2
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username1162972
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#2
(Original post by preludefaun)
How would you go about rationalising something where the denominator is all in brackets like:
(2 + √3)^2
How would you go about rationalising something where the denominator is all in brackets like:
(2 + √3)^2
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anosmianAcrimony
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#3
(Original post by preludefaun)
How would you go about rationalising something where the denominator is all in brackets like:
(2 + √3)^2
How would you go about rationalising something where the denominator is all in brackets like:
(2 + √3)^2
Could you simply FOIL out the 2?
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username1162972
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(Original post by anosmianAcrimony)
I don't see a denominator there. 0.o
Could you simply FOIL out the 2?
I don't see a denominator there. 0.o
Could you simply FOIL out the 2?
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preludefaun
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username1162972
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#6
(Original post by preludefaun)
How would you go about rationalising something where the denominator is all in brackets like:
(2 + √3)^2
How would you go about rationalising something where the denominator is all in brackets like:
(2 + √3)^2
Posted from TSR Mobile
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preludefaun
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#7
Yeah I think I'm just going to expand the denominator out then rationalise.
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anosmianAcrimony
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username1162972
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#9
ignore my previous post as i read it wrong. expand root 2 + root 3 squared and see whatu get. u shud get something in the form a+broot(6). after that rationalise normally
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anosmianAcrimony
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#10
(Original post by preludefaun)
Yeah I think I'm just going to expand the denominator out then rationalise.
Yeah I think I'm just going to expand the denominator out then rationalise.
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