what is 1 over 2√3+7
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1 + 2√3 + 7
2√3 + 8
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Answer:
1/(2√3+7)
rationalising the denominator,
1/(2√3+7) * (2√3-7)/(2√3-7)
= (2√3-7) / [(2√3)²-(7)²
= (2√3-7) / 12-49
= (2√3-7) / -37
= -(2√3-7) / 37
= (-2√3 + 7) / 37
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