real numbers, question 13 ,grade 10

01/07/2016 Grade 10 4,672

13)Rationalize the denominator of:

\frac{3}{{\root 5\of{{a^2}b}}}(a\,\,\& \,\,b \ne 0)\,\,

and   \frac{1}{{\root {10}\of{{3^5}}+\root 6\of{{4^3}}-\root 4\of{{9^2}}}}