Depends on the previous method mark. dM1* Substitutes their changed limits in and subtracts either way t round. or equivalent. A1 [6] 15 6. (a) M1 , seen or implied. At least one correct value of (See x. A1 notes). A1 cso Both [3] For . (b) V B1 Ignore limits and M1 See notes. M1 Attempts to give any two of or . A1 Correct integration. Applying limits the M1 correct way round. Ignore Two term exact A1 answer. [6] 9 Any two equations. 7. (a) M1 (Allow one slip).
Depends on the previous method mark. Substitutes their changed limits in t and subtracts either way round. dM1* or equivalent. A1 [6] 15 6. (a) , seen or implied. M1 At least one correct value of x. (See notes). A1 Both A1 cso [3] (b) V For . Ignore limits and B1 See notes. M1 Attempts to give any two of or . M1 Correct integration. A1 Applying limits the correct way round. Ignore M1 Two term exact answer. A1 [6] 9 7. (a) Any two equations. (Allow one slip). M1