3^(x–y)
= 27 and 3^(x+y) = 243, then x is equal to–
(a) 0 (b) 4 (c) 2 (d) 6

• 3^(x-y)=3^3.from this expression x-y=3-------eq1
  3^(x+y)=3^5.from this expression x+y=5----------eq2
  by solving eq1 and eq2..we get x=4
• 6 years agoHelpfull: Yes(0) No(0)