(a) Simplify : \(\frac{x^{2} - y^{2}}{3x + 3y}\) (b) In the diagram, PQRS is a rectangle. /PK/ = 15 cm, /SK/ = /KR/ and <PKS = 30°. Calculate, correct to th...
Question 1 Report
(a) Simplify : \(\frac{x^{2} - y^{2}}{3x + 3y}\)
(b) 
In the diagram, PQRS is a rectangle. /PK/ = 15 cm, /SK/ = /KR/ and <PKS = 30°. Calculate, correct to three significant figures : (i) /PS/ ; (ii) /SK/ and (iii) the area of the shaded portion.
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