I wanted to know why the rationalising factor of the equation is , instead of . This equation was in one of the video lessons, and I am a bit confused why addition is being used in the rationalising factor. Can I use as the rationalising factor?
Asked by shikharmota | 11th Apr, 2017, 04:34: PM
Answered by Rebecca Fernandes | 27th Nov, 2017, 02:35: PM
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