Question

Express 4upon root 11-root7 with rational denominator

Answer 1

Answer:

4(√11+√7)/3

Step-by-step explanation:

4/√11-√7

rationalize the denominator

4(√11+√7) / (√11-√7)(√11+√7)

4(√11+√7) / (√11)^2-(√7)^2

4(√11+√7)/ 11-7

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..... hope it's helpful

4(√11+√7) / 3