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Past Papers’ Solutions | Edexcel | AS & A level | Mathematics | Core Mathematics 1 (C1-6663/01) | Year 2008 | January | Q#6

Hits: 5   Question Figure 1 shows a sketch of the curve with equation y= f(x). The curve crosses the x-axis at the  points (1, 0) and (4, 0). The maximum point on the curve is (2, 5). In separate diagrams sketch the curves with the following equations.  On each diagram show clearly the coordinates of the maximum point […]

Past Papers’ Solutions | Edexcel | AS & A level | Mathematics | Core Mathematics 1 (C1-6663/01) | Year 2008 | January | Q#5

Hits: 4   Question a.   Write  in the form  where p and q are constants. Given that  , x > 0, b.   find  , simplifying the coefficient of each term. Solution a.   We are given; b.   We are given; We are required to find; Therefore; Rule for differentiation of  is: As demonstrated in (a); Therefore; Rule for differentiation […]

Past Papers’ Solutions | Edexcel | AS & A level | Mathematics | Core Mathematics 1 (C1-6663/01) | Year 2008 | January | Q#3

Hits: 0 Question Simplify Giving your answer in the form , where a and b are integers. Solution We are given; If we need a rational number in the denominator of a fraction, we need to follow procedure of  “denominator rationalization” as given below. ü If the denominator is of the form  then multiply both numerator and denominator by […]