i am having this problem and i couldn't prove that the left side equals the right side

i don't know what exactly that i am missing !!

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- Sep 6th 2013, 03:59 PMSHEvA9Equations::::
i am having this problem and i couldn't prove that the left side equals the right side

i don't know what exactly that i am missing !! - Sep 6th 2013, 04:12 PMHallsofIvyRe: Equations::::
Step one is to recognize that so that . So . Now get common denominators by multiplying numerator and denominator of the last fraction by 5: .