rationalize denominator of 1/√11-√7
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Answered by
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Answer:
Step-by-step explanation:
1 / root 11 - root 7 will be written
1 / root 11 - root 7 * root 11 + root 7 / root 11 + root 7
= root 11 + root 7 / 11-7
= root 11 + root 7 / 4
Answered by
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The answer is –√11–7/38.
Step-by-step explanation:
1/√11-√7
√11+7/(√11–7)(√11+7)
√11+7/(√11)² – (7)²
√11+7/11–49
√11+7/–38
–√11–7/38
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