Discussion
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- Question
What should be added to 5(2x-y) to obtain 4(2x - 3y) + 5(x + 4y)?
Options- A. 3x - 13y
- B. 3x + 13y
- C. 13x - 3y
- D. 13x + 3y
- Correct Answer
- 3x + 13y
- 1. What is the value of cosec 120°
Options- A. 2/?3
- B. 2
- C. -2/?3
- D. -2 Discuss
- 2. If 2x - 3(2x - 2) > x - 1 < 2 + 2x; then x can take which of the following values?
Options- A. 2
- B. -2
- C. 4
- D. -4 Discuss
- 3. If x - y = 6 and xy = 40, then find x2 + y2 ?
Options- A. 116
- B. 80
- C. 89
- D. 146 Discuss
- 4. If 3x - 8(2 - x) = -19, then the value of x is
Options- A. -3/11
- B. -33/11
- C. -3/5
- D. -33/5 Discuss
- 5. Find the sum of interior angles of a dodecagon?
Options- A. 1620°
- B. 1800°
- C. 1440°
- D. 1260° Discuss
- 6. If 3(2 - 3x) < 2 - 3x ? 4x -6; then x can take which of the following values?
Options- A. 2
- B. -1
- C. -2
- D. 1 Discuss
- 7. If sec2A + cosec2A = X , then the value of X is
Options- A. tan2A cot2A
- B. sinA cosA
- C. secA cosecA
- D. sec2A cosec2A Discuss
- 8. If (4x - 3) - (2x + 1) = 4, then the value of x is
Options- A. 0
- B. 1
- C. 2
- D. 3 Discuss
- 9. Which of the following equations has real and distinct roots?
Options- A. 3x2 - 6x + 2 = 0
- B. 3x2 - 6x + 3 = 0
- C. x2 - 8x + 16 = 0
- D. 4x2 - 8x + 4 = 0 Discuss
- 10. For triangle ABC, what would be the equation of median AD if co-ordinates of A, B and C are (-5,4), (-4,0) and (-2,2) respectively?
Options- A. 3x - 2y = -11
- B. 3x + 2y = 7
- C. 3x + 2y = -7
- D. 3x - 2y = 11 Discuss
Simplification problems
Search Results
Correct Answer: 2/?3
Correct Answer: -2
Correct Answer: 116
Correct Answer: -3/11
Correct Answer: 1800°
Correct Answer: 1
Correct Answer: sec2A cosec2A
Correct Answer: 2
Correct Answer: 3x2 - 6x + 2 = 0
Correct Answer: 3x + 2y = -7
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