Additional Mathematics 0606 / Straight-line graphs / 3.163.16: Express a surd expression in the form a+bca+b\sqrt{c}a+bc0606/11/M/J/22 — Question 1 · 3 marksMark as done · Save for later · Show all solutionsFind constants aaa, bbb and ccc such thatpqr−p+q3r=ab−c1r\sqrt{\frac{pq}{r}}-\sqrt{\frac{p+q}{3r}}=a\sqrt{b}-c\sqrt{\frac{1}{r}}rpq−3rp+q=ab−cr1(Use the printed paper form; accept the equivalent simplified constants from the mark scheme.)[3]▸ Answer▸ Official mark scheme← 3.58: Perpendicular bisector of PQPQPQ; points R,SR,SR,S3.17: Particle with s=t+13−12s=\sqrt{t+\tfrac{1}{3}}-\tfrac{1}{2}s=t+31−21 →
