Uses a correct method in order or and to find both possible sets of M1 coordinates of B. Both coordinates are correct. A1 cao (5) [9] Question C4 JUNE 2013 (R) MARK SCHEME Number At one of 1. B1 “A” or are “C” correct. Breaks up partial B1 fraction correctly into cso three terms and both and . Writes down a correct and identity attempts to M1 find the value of either one or B” “A” “ or “C”. Either Correct value for which “B” is found using a correct identity and A1 leading to follows from cso their partial fraction
or and Uses a correct method in order to find both possible sets of coordinates of B. M1 Both coordinates are correct. A1 cao (5) [9] Question Number C4 JUNE 2013 (R) MARK SCHEME 1. At one of “A” or “C” are correct. B1 Breaks up partial fraction correctly into three terms and both and . B1 cso Writes down a correct identity and attempts to find the value of either one “A” or “ B” or “C”. M1 Either leading to Correct value for “B” which is found using a correct identity and follows from their partial fraction A1 cso
c4_2014-2010markschemes.docx