rationalize 1/(7√2-2√5)
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Answer:
Answer is 7√2 + 2√5/78
Step-by-step explanation:
1/7√2-2√5 × 7√2+2√5/7√2+2√5
7√2+2√5/(7√2)² - (2√5)²
7√2+2√5 / 98-20
7√2+2√5/78
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