Mathematics for IGCSE & O level - Indices 2 (Section 3 - No. 31)
Which value is equivalent to (( rac{3}{4})^{-1})?
( rac{3}{4})
( rac{4}{3})
(- rac{3}{4})
(- rac{4}{3})
解释
A negative exponent results in the reciprocal. So, (( rac{3}{4})^{-1} = rac{4}{3}).