Discussion
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- Question
If a - b = 2 and ab = 8, then what is the value of a3 - b3 ?
Options- A. 65
- B. 34
- C. 43
- D. 56
- Correct Answer
- 56
- 1. If 9x+2 = 240 + 9x, the value of (8x)x is
Options- A. 1
- B. -1
- C. 0
- D. 2 Discuss
- 2. If (23)2= 4x then 3x is equal to
Options- A. 3
- B. 6
- C. 9
- D. 27 Discuss
- 3. If Cosec ? = 25/7 , then what is the value of Cot ??
Options- A. 24/25
- B. 7/24
- C. 7/25
- D. 24/7 Discuss
- 4. The value of cosec260 + sec260 cot260 + tan230 will be
Options- A. 5
- B. 5 1/2
- C. 5 1/3
- D. 5 2/3 Discuss
- 5. What is the equation of a line of slope 1/3 and y-intercept 5?
Options- A. x - 3y = -15
- B. x - 3y = 15
- C. x + 3y = -15
- D. x + 3y = 15 Discuss
- 6. Slope of the line AB is -2/3. Co-ordinates of points A and B are (x , -3) and (5 , 2) respectively. What is the value of x?
Options- A. 4
- B. -14
- C. 12.5
- D. -4 Discuss
- 7. If Cosec ? = 17/8, then what is the value of Cos ??
Options- A. 15/8
- B. 15/17
- C. 8/15
- D. 17/15 Discuss
- 8. If Tan ? = 7/24, then what is the value of Sec ??
Options- A. 24/25
- B. 24/7
- C. 25/7
- D. 25/24 Discuss
- 9. If x2 + y2 + 6x + 5 = 4(x - y) then x - y is
Options- A. 1
- B. -1
- C. 0
- D. 4 Discuss
- 10. If x = 1 + ?2 + ?3 , then the value of 2x4 - 8x3 - 5x2 + 26x - 28 is
Options- A. 2?2
- B. 3?3
- C. 5?5
- D. 6?6 Discuss
Simplification problems
Search Results
Correct Answer: 2
Correct Answer: 27
Correct Answer: 24/7
Correct Answer: 5 1/3
Correct Answer: x - 3y = -15
Correct Answer: 12.5
Correct Answer: 15/17
Correct Answer: 25/24
Correct Answer: 1
Correct Answer: 6?6
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