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Define E(a,b,c)= a(b^c) What positive value of r is the solution to the equation  E(r,r,3)=625?

 Feb 20, 2019
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  Well     a (b^c)     will equal    r(r^3) = 625

                                                 r^4 = 625

                                                  r = +-5        + 5 would be the possitive solution for 'r'

 Feb 20, 2019

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