If a = xyp−1,b=xyq−1and c=xyr−1, prove that aq−rbr−pcp−q = 1,

If a = xyp−1,b=xyq−1and c=xyr−1, prove that aq−rbr−pcp−q =

1.	If a = xyp−1,b=xyq−1and c=xyr−1, prove that aq−rbr−pcp−q = 1,
Answer» If a = $x y^{p - 1}, b = x y^{q - 1} a n d c = x y^{r - 1}$ , prove that $a^{q - r} b^{r - p} c^{p - q}$ = 1,