(x^a/a^b)^a+b×(x^b/x^c)^b+c×
(x^c/x^a)^c+a
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(x^a/x^b)^a+b×(x^b/x^c)^b+c× (x^c/x^a)^c+a
=x^(a-b)(a+b) × x^(b-c)(b+c) × x^(c-a)(c+a)
=x^(a^2 - b^2)× x^(b^2 - c^2)× x^(c^2 - a^2)
=x^(a^2- b^2+ b^2 - c^2 + c^2 - a^2)
=x^0
=1
=x^(a-b)(a+b) × x^(b-c)(b+c) × x^(c-a)(c+a)
=x^(a^2 - b^2)× x^(b^2 - c^2)× x^(c^2 - a^2)
=x^(a^2- b^2+ b^2 - c^2 + c^2 - a^2)
=x^0
=1
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