Simplify \(\frac{20}{5\sqrt{28} - 2 \sqrt{63}}\)

Question 1 Report

Simplify \(\frac{20}{5\sqrt{28} - 2 \sqrt{63}}\)

\(\frac{5\sqrt{7}}{7}\)

\(\frac{5\sqrt{5}}{7}\)

\(\frac{7\sqrt{5}}{7}\)

\(\frac{7\sqrt{7}}{5}\)

Positive And Negative Integers, Rational Numbers

Fractions, Decimals, Approximations And Percentage

Surds (radicals)

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