Question

plz solve this question... full method should be done​

Answer 1

Answer:

refer the pic attached

hope this helps

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Answer 2

Answer:

hey here is your solution

pls mark it as brainliest

Step-by-step explanation:

$so \: here \\ \frac{2}{ \sqrt{11} - \sqrt{7} } \\ \\ so \: conjugate \: of \: \sqrt{11} - \sqrt{7} \: is \: \sqrt{11} + \sqrt{7} \\ so \: rationalising \: denominator \\ we \: get \\ \\ = \frac{2}{ \sqrt{11} - \sqrt{7} } \: \times \: \frac{ \sqrt{11} + \sqrt{7} }{ \sqrt{11} + \sqrt{7} } \\ \\ = \frac{2( \sqrt{11} + \sqrt{7)} }{( \sqrt{11} ) {}^{2} - ( \sqrt{7} ) {}^{2} } \\ \\ = \frac{2( \sqrt{11} + \sqrt{7} \: ) }{11 - 7} \\ \\ = \frac{2( \sqrt{11} + \sqrt{7} \: ) }{4} \\ \\ = \frac{ \sqrt{11} + \sqrt{7} }{2}$