Question

4/7+4√3 Rationalize the denominator

Answer 1

so ur final answer will be 28-16root3
plz mark it as a brainlist answer.....
hope it helps u....

Answer 2

$\frac{4}{7 + 4 \sqrt{3} } = \frac{4(7 - 4 \sqrt{3} )}{(7 + 4 \sqrt{3} )(7 - 4 \sqrt{3} )} \\ \\ = \frac{4(7 - 4 \sqrt{3} )}{(7) {}^{2} - (4 \sqrt{3} {}^{2} } \\ \\ = \frac{4(7 - 4 \sqrt{3} )}{49 - 48} \\ \\ = \frac{4(7 - 4 \sqrt{3} )}{1} \\ \\ = 4(7 - 4 \sqrt{3} )$