Simplify each of the following by rationalising the dominator
7+3root5/7-3root5
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Step-by-step explanation:
7+3root5/7-3root5
=> 7+3root5/7-3root5*7+3root5/7+3root5
=> 49+14+6root5+45/49-45
=> 108+6root5/4
=> 108+3root5/2
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