{\sqrt7 +\sqrt 5} /{\sqrt7 –\sqrt 5 } is equal to

SSC CPO SI and ASI Model Paper 2

Question : 134 of 200

Marks: +1, -0

${√7 +√ 5} /{√7 –√ 5 }$ is equal to

Solution:

={( √7 +√5)^2}/{(√7) ^2-( 5)^2}

{7 +5 +2 √35}/{7-5}=6+√ 35

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