solve 7/ ✓15 + 2✓2
please solve this correct.
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Answer:
7/(√15 + 2√2)
7 (√15 - 2√2)/(√15 + 2√2)(√15 - 2√2)
7 (√15 - 2√2)/(√15)² - (2√2)²
7(√15 - 2√2)/(15 - 8)
7 (√15-2√2)/7
= √15 - 2√2
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