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secondary 3 | E Maths
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qn: find a and b
i solved it correctly but can someone explain why b=0 is rejected? then if b is -ve will it be rejected? thanks a lot
Date Posted: 3 years ago
Views: 197
If b = 0, then a = 2b = 0 and your denominator in the original expression will become zero.
From the start of the question, you should have actually cross multiplied the expressions, with the a + b sqrt 7 going the other side and the surd from the other side going to the left side.
Simplification will be straightforward soon after.
Simplification will be straightforward soon after.
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This is an alternative, shorter approach to the original question which you may find easier to understand.
Date Posted:
3 years ago
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