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- Question
If 3x - 10 = -(2x + 5), then the numerical value of (x - 4)3 is
Options- A. 27
- B. 125
- C. -125
- D. -27
- Correct Answer
- -27
- 1. P(3,1) and R(-7,5) are vertices of a rhombus PQRS. What is the equation of diagonal QS?
Options- A. 5x - 2y = 16
- B. 5x - 2y = -16
- C. 5x + 2y = -16
- D. 5x + 2y = 16 Discuss
- 2. If secA + tanA = x, then find the value of x.
Options- A. ?[(1 - sinA)/(1 + sinA)]
- B. (1 + sinA)/(1 - sinA)
- C. (1 - sinA)/(1 + sinA)
- D. ?[(1 + sinA)/(1 - sinA)] Discuss
- 3. If ?[(1 + cosA)/2] = x, then find the value of x.
Options- A. sin(A/2)
- B. tan(A/2)
- C. cot(A/2)
- D. cos(A/2) Discuss
- 4. If tan 45° + cosec 30° = x, then find the value of x.
Options- A. ?3
- B. (1-2?2)/?2
- C. (?3-4)/2?3
- D. 3 Discuss
- 5. ?DEF is right angled at E. If cotD = 5/12, then what is the value of sinF ?
Options- A. 5/12
- B. 13/5
- C. 5/13
- D. 13/12 Discuss
- 6. If xy = -30 and x2 + y2 = 61 , then find the value of (x + y).
Options- A. 2
- B. 3
- C. 1
- D. 4 Discuss
- 7. If 2x+ 4(x - 3) < -2 - x < 2x - 1, then find the value of x.
Options- A. -1
- B. 1
- C. 2
- D. -2 Discuss
- 8. (secA - tanA)/(cosecA + cotA) is equal to
Options- A. (secA - cot/ (cosecA + tanA)
- B. (secA - cosA) / (cosecA + sinA)
- C. (cosecA - cotA) / (secA + tanA)
- D. (secA + cosA) / (cosecA - sinA) Discuss
- 9. Coefficient of x2 in 6x3 + 4x2 + 2x + 3 is
Options- A. 4
- B. 6
- C. 3
- D. 2 Discuss
- 10. Find k, if the line 2x- 3y = 11 is perpendicular to the line 3x + ky = -4?
Options- A. -2
- B. 1
- C. -1
- D. 2 Discuss
Simplification problems
Search Results
Correct Answer: 5x - 2y = -16
Correct Answer: ?[(1 + sinA)/(1 - sinA)]
Correct Answer: cos(A/2)
Correct Answer: 3
Correct Answer: 5/13
Correct Answer: 1
Correct Answer: 2
Correct Answer: (cosecA - cot/ (secA + tanA)
Correct Answer: 4
Correct Answer: 2
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