Question

If x = (1/ (√5 +√3)], y = [1/(√7 + √5)] and z = [1/(√7 + √3)], then what is the value of (x + y + z)?
a.3/4 (√7 - √3 )
b.√5 - √3
c. √7 + √5
d.1/2(√7 + √3)​

Answer 1

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