Question

plz tell me this ques its urgent​

Answer 1

Answer:

$\begin{array}{l l l}4 \sqrt{28} \div 3 \sqrt{7} \div \sqrt[3]{7} \\ \\ \implies\large\bigg[ \frac{(4 \sqrt{28}) }{(3 \sqrt{7} )} \bigg] \: \large\div 7 {}^{ \frac{1}{3} } \\ \\ \implies\large\bigg[ \frac{(4 \sqrt{4 \times 7}) }{(3 \sqrt{7} )} \bigg] \: \large\div 7 {}^{ \frac{1}{3} } \\ \\ \implies \: \large\frac{4 \times 2 \sqrt{7} }{3 \sqrt{7} } \large\div 7 {}^{ \frac{1}{3}} \\ \\ \implies \: \large\frac{8}{3} \large\div 7 {}^{ \frac{1}{3} } \\ \\ \implies \: \large\frac{8}{3 \times 7 {}^{ \frac{1}{3}}} \\ \\ \implies \: \large \bold{\frac{8}{3 \times \sqrt[3]{7} } }\end{array}$