Complete the following activity to simplify the surd `3\sqrt{12} times 7\sqrt{15}`

Simplify the surd: sqrt(112)

Simplify the surd: sqrt(250)

Simplify the surd: sqrt(50)

Simplify the surd: sqrt(27)

Complete the following activity: Compare the ratios \sqrt{13}/\sqrt{18} , \sqrt{8}/\sqrt{5}

Solve the following subquestion: Compare the surds 5\sqrt{5} and 7\sqrt{5} .

Complete the following activity to sovle the quadratic equation sqrt(2x^(3))+7x+5sqrt2=0 by factorisation method :

Simplify the following surds: \sqrt{112}

Simplify the following surds: \sqrt{27}

Multiply and write the answer in the simplest form 3\sqrt{12) times 7\sqrt{15}