Find the multiplicative inverse of the complex number $\;\normalsize 4-\normalsize 3 \normalsize i\;$

Question

$(a)\; \normalsize \large\frac{2}{25}+\normalsize \large\frac{3}{25} \normalsize i\qquad(b)\; \normalsize \large\frac{4}{25}+\normalsize \large\frac{3}{25} \normalsize i\qquad(c)\; \normalsize \large\frac{3}{25}+\normalsize \large\frac{2}{25} \normalsize i\qquad(d)\; \normalsize \large\frac{4}{25}+\normalsize \large\frac{2}{25} \normalsize i$