ans me plz...
fast urgent plz
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Mark me brainlist please
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Given
a= xy ^p-1 , b=xy ^q-1,. c= xy ^r-1
LHS = a ^q-r b ^r-p c^p-q
=(xy^p-1)q-r (xy^q-1)r-p (xy^r-1)p-q
= x ^q-r+r-p+p-q y ^qp+r-q-pr+qr+p-qp-r+pr+q-p-qr
= x⁰y⁰
= 1
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