Hits: 35

# Past Papers’ Solutions | Edexcel | AS & A level | Mathematics | Core Mathematics 1 (C1-6663/01) | Year 2007 | June | Q#6

Hits: 35   Question a.   By eliminating y from the equations y= x–4, 2×2– xy = 8, show that x2+ 4x – 8 = 0. b.   Hence, or otherwise, solve the simultaneous equations y= x–4, 2×2– xy = 8, giving your answers in the form , where a and b are integers. Solution a.     We are […]

# Past Papers’ Solutions | Edexcel | AS & A level | Mathematics | Core Mathematics 1 (C1-6663/01) | Year 2007 | June | Q#1

Hits: 8   Question Simplify Solution We are given;

# Past Papers’ Solutions | Edexcel | AS & A level | Mathematics | Core Mathematics 1 (C1-6663/01) | Year 2007 | January | Q#8

Hits: 282   Question The curve C has equation , x > 0. a.   Find an expression for . b.   Show that the point P (4, 8) lies on C. c.   Show that an equation of the normal to C at the point P is 3y=x + 20. The normal to C at P cuts the […]

# Past Papers’ Solutions | Edexcel | AS & A level | Mathematics | Core Mathematics 1 (C1-6663/01) | Year 2007 | January | Q#6

Hits: 9   Question a.   Show that  can be written as , where k is a constant to be found. b.   Find Solution a.   We are given; We have algebraic formula; b.   We are required to find; From (a), we know that; Therefore; Rule for integration of  is: Rule for integration of  is: Rule for integration […]

# Past Papers’ Solutions | Edexcel | AS & A level | Mathematics | Core Mathematics 1 (C1-6663/01) | Year 2007 | January | Q#2

Hits: 9   Question a.   Express  in the form , where a is an integer. b.   Express  in the form , where b and c are integers to be found. Solution a.   We are given; Since ; b.   We are given; We have algebraic formula;