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Help urgent maths

Help I don’t get how to get the form in the answer from my answer (the pen next to the q is the simplest correct answer) how do I do thisIMG_2670.jpegIMG_2671.jpeg
(edited 11 months ago)
Reply 1
Original post by Alevelhelp.1
Help I don’t get how to get the form in the answer from my answer (the pen next to the q is the simplest correct answer) how do I do thisIMG_2670.jpegIMG_2671.jpeg

rewrite your 2nd term as x2x1\dfrac{x}{2\sqrt{x-1}}, then put things over a common denominator and combine
Reply 2
Original post by davros
rewrite your 2nd term as x2x1\dfrac{x}{2\sqrt{x-1}}, then put things over a common denominator and combine

This concept is so tricky for me to grasp

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