Plz help only awnser not ur suggestion
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we know that
a^3 - b^3 = (a - b) (a^2 + ab + b^2)
first term would be
(x^a/x^b)^(a^2+ab+b^2)
={ (x^(a - b)}^{a^2+ab+b^2)
= x^{(a - b)(a^2 + ab + b^2)
= x^(a^3 - b^3)
similarly second term will be
x^(b^3 - c^3)
thir term would be
x^(c^3 - a^3)
since the three terms are in multiplication, the exponents would add up.
so the expression is equal to
x^(a^3 - b^3 + b^3 - c^3 + c^3 - a^3)
= x^0
= 1
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