Hits: 13

# Past Papers’ Solutions | Edexcel | AS & A level | Mathematics | Core Mathematics 1 (C1-6663/01) | Year 2012 | June | Q#3

Hits: 13 Question Show that  can be written 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 […]

# Past Papers’ Solutions | Edexcel | AS & A level | Mathematics | Core Mathematics 1 (C1-6663/01) | Year 2012 | January | Q#2

Hits: 17   Question a.   Simplify giving your answer in the form  , where  is an integer.   b.   Simplify  giving your answer in the form  , where b and c are integers. Solution a.   We are given; Since ; Since ; b.   As demonstrated in (a) we can write the numerator as; If we need a rational number […]

# Past Papers’ Solutions | Assessment & Qualification Alliance (AQA) | AS & A level | Mathematics 6360 | Pure Core 1 (6360-MPC1) | Year 2012 | June | Q#1

Hits: 32   Question Express  in the form , where m and n 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 .  ü If the […]

# Past Papers’ Solutions | Assessment & Qualification Alliance (AQA) | AS & A level | Mathematics 6360 | Pure Core 1 (6360-MPC1) | Year 2012 | January | Q#3

Hits: 20   Question a.                               i.       Simplify .                          ii.       Show that  is an integer and find its value.                        iii.       Simplify  , giving your answer as an integer. b.   Express  in the form , where m and n are integers. Solution a.                               i.   We are given; ii.   We […]