# SOLUTION: Every time I type in my equation ((&#8730;x^3y^3)^1/3)^-1, I get an error.... ERROR: Invalid expression '&#8730;x^3y^3)^1/3)^-1': syntax error at /home/ichudov/project_locations/a

Algebra ->  Algebra  -> Square-cubic-other-roots -> SOLUTION: Every time I type in my equation ((&#8730;x^3y^3)^1/3)^-1, I get an error.... ERROR: Invalid expression '&#8730;x^3y^3)^1/3)^-1': syntax error at /home/ichudov/project_locations/a      Log On

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 Click here to see ALL problems on Square-cubic-other-roots Question 636873: Every time I type in my equation ((√x^3y^3)^1/3)^-1, I get an error.... ERROR: Invalid expression '√x^3y^3)^1/3)^-1': syntax error at /home/ichudov/project_locations/algebra.com/templates/Algebra/Expression.pm line 190. . SIMPLIFIER INPUT ERROR: '((√x^3y^3)^1/3)^-1', Invalid expression '√x^3y^3)^1/3)^-1': syntax error at /home/ichudov/project_locations/algebra.com/templates/Algebra/Expression.pm line 190. I don't know how else to type the equation. Please Help Sean F.Answer by stanbon(57307)   (Show Source): You can put this solution on YOUR website!((√(x^3y^3))^1/3)^-1 ---- [(xy)^3]^(1/6)]^-1 ----- = 1/[xy)^(1/2) ---- OR = 1/sqrt(xy) ==================== Cheers, Stan H. ================