(a)[2]
From $3^{-2} \times 3^x = 81$, determine the value of $x$.
(b)[3]
Using $x^{-\frac{1}{3}} = 32x^{-2}$, find the value of $x$.
Mathematics 0580 · IGCSE · Indices II
Mathematics 0580 · IGCSE · Indices II
From $3^{-2} \times 3^x = 81$, determine the value of $x$.
Using $x^{-\frac{1}{3}} = 32x^{-2}$, find the value of $x$.