Question

4 upon 7+4√3....rationalize the denominator

Answer 1

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Answer 2

Step-by-step explanation:

$\frac{4}{7 + 4 \sqrt{3} } \times \frac{7 - 4 \sqrt{3} }{7 - 4 \sqrt{3} } \\ \frac{28 - 16 \sqrt{3} }{(7) {2} - (4 \sqrt{3})2 } \\ \frac{28 - 16 \sqrt{3} }{49 - 48} \\ 28 - 16 \sqrt{3 } \: ans$