Discussion
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- Question
If a + b = 3 and ab = -4, then what is the value of a3 + b3 ?
Options- A. 36
- B. 63
- C. 12
- D. -15
- Correct Answer
- 63
- 1. If -3[1-(x/2)] + 5x/3 = 1/6, then what is the value of x?
Options- A. 2
- B. -1
- C. 1
- D. -2 Discuss
- 2. If Sec ? = 5/3, then what is the value of Cosec ??
Options- A. 0.8
- B. 1.25
- C. 4/3
- D. 3/4 Discuss
- 3. ? PQR is right angled at Q. If m?R = 30°, then what is the value of Cot P?
Options- A. 1/2
- B. 1/?2
- C. 1/?3
- D. 2 Discuss
- 4. What is the value of Sec 30° + Tan 60°?
Options- A. 5/?3
- B. (?6 + 1)/?3
- C. (?3 + 2)/?3
- D. (1 + ?3)/2 Discuss
- 5. If -3/2 + (2/3)(3x + 9) = x/2, then what is the value of x?
Options- A. -9
- B. 11
- C. 9
- D. -3 Discuss
- 6. Sec 45% + Tan 30% =
Options- A. (?6 + 1)/?3
- B. (1 + ?3)/2
- C. (?3 + 2)/?3
- D. 5/?3 Discuss
- 7. ? DEF is right angled at E. If m?D = 45%., then Cosec F =
Options- A. 1/2
- B. 1/?2
- C. ?2
- D. 1/?3 Discuss
- 8. If Cos ? = 5/13, then Cosec ? = ?
Options- A. 5/12
- B. 12/5
- C. 13/5
- D. 13/12 Discuss
- 9. If 10x/3 + 5/2(2 - x/3) = 7/2, then the value of x is?
Options- A. 3/5
- B. -5/3
- C. 5/3
- D. -3/5 Discuss
- 10. If a - b = 2 and ab = 15, then what is the value of a3- b3 ?
Options- A. 152
- B. 112
- C. 108
- D. 98 Discuss
Simplification problems
Search Results
Correct Answer: 1
Correct Answer: 1.25
Correct Answer: 1/?3
Correct Answer: 5/?3
Correct Answer: -3
Correct Answer: (?6 + 1)/?3
Correct Answer: ?2
Correct Answer: 13/12
Correct Answer: -3/5
Correct Answer: 98
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