Rationalize the denominator
8/√11-√7
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The solution is here buddy.........
8/√11-√7
=8/(√11-√7)×(√11+√7)/(√11+√7)
=8(√11+√7)/(√11)²-(√7)²
=8(√11+√7)/(11-7)
=8(√11+√7)/4=2(√11+√7)
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