Simplify: \( 7^{\log _{3} 5}+3^{\log _{5} 7}-5^{\log _{3} 7}-7^{\log _{5} 3} \) (a) 0 (b) 1 (c) ...

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Simplify: \( 7^{\log _{3} 5}+3^{\log _{5} 7}-5^{\log _{3} 7}-7^{\log _{5} 3} \)
(a) 0
(b) 1
(c) 3
(d) 4
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