Additional Mathematics 0606 / Indices and surds / 2.162.16: Rationalising to show a surd identity0606/23/O/N/16 — Question 1 · 3 marksMark as done · Save for later · Show all solutions(a)Without using a calculator, show that 5+335+3=k−2\dfrac{\sqrt{5} + 3\sqrt{3}}{\sqrt{5} + \sqrt{3}} = \sqrt{k} - 25+35+33=k−2 where kkk is an integer to be found.[3]▸ Answer▸ Official mark scheme← 2.9: Finding constants in a surd identity1.1: Exponential equation and index laws →
