What is the value of \(\left( {6{x^2} - 5{y^2}} \right)\left( {6{x^2} + 5{y^2}} \right)\), if \(x = \frac{1}{{\sqrt 3 }}\) and \(y = \frac{1}{{\sqrt 5 }}\)?

What is the value of \(\left( {6{x^2} - 5{y^2}} \right)\left( {6{x^2}

1.	What is the value of \(\left( {6{x^2} - 5{y^2}} \right)\left( {6{x^2} + 5{y^2}} \right)\), if \(x = \frac{1}{{\sqrt 3 }}\) and \(y = \frac{1}{{\sqrt 5 }}\)?
A.	2
B.	3
C.	4
D.	5
Answer» C. 4