how to solve this question?
find 'a' and 'b' if:
7 + rt 5 / 7 - rt5 - 7 - rt5 / 7 + rt5
= a + b rt5
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https://www.meritnation.com/ask-answer/question/determine-rational-numbers-p-and-q-if-7-root5divided-by7-ro/number-systems/6278409