Step 1 :\( \left(\frac{1}{x^{-6} \cdot x^{-7}}\right)^{\frac{1}{52}} = \left(x^{6} \cdot x^{7}\right)^{\frac{1}{52}} \)
Step 2 :\( = \left(x^{6+7}\right)^{\frac{1}{52}} = \left(x^{13}\right)^{\frac{1}{52}} \)
Step 3 :\( = x^{\frac{13}{52}} \)