Tiêu đề Independent 2025 Extension 2 & Solutions.pdf ✅

STUDENT NAME/NUMBER.............. 00.00 ccc cece ee ece ce0ce .ee ees Section I 10 Marks Attempt Questions 1-10. Allow about 15 minutes for this section. Select the alternative A, B, C, D that best answers the question and indicate your choice with a cross (X) in the appropriate space on the grid below. 10
STUDENT NAME/NUMBER............ 00.0.0... ce eeee cere cence ee ns Section I 10 Marks Attempt Questions 1-10. Allow about 15 minutes for this section. Use the multiple-choice answer sheet for questions 1-10. 1. Consider the following statement: Vx,yE R, xy 9 > xs3orys3. Which of the following is the negation of this statement? (A) Yx,yER, x<3 0ryxy<9 (B) Wx,yER, x>3 and y>3 > xy>9 (CC) 3x,yeR with x>3 or y>3 such that xy <9 (D) Jx,yER with x>3 and y>3 such that xy<9 bw . OABC is a square with OA=ai- 27 42k and OC=6i - 47 +ak for some constant a. What is the value of a? | (A) 2 ®@) -l (one (D) 2 3. Which of the following is an expression for | sin- bx dx ? - 4 Lt, = (A) XSI °K T 1l4-x<+e , 1 | | (B) xsin~'x+ 4V1- x* +46 (C) xsin~x-Yil-x2+c (D) xsin~'lx+ ji 4, What is the value of i! ? (A) -l (B) e? (C) e2 ) 1