Discussion
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- Question
If 3a+4b3c+4d = 3a-4b3c-4d , then
Options- A. ab = cd
- B. ad = bc
- C. ac = bd
- D. a = b = c ? d
- Correct Answer
- ad = bc
- 1. If P + 1P+2 = 1, then the value of P+23+1P+23-3 ?
Options- A. 12
- B. 16
- C. 18
- D. 15 Discuss
- 2. The value of sin?+sin?cos?+cos? + cos?-cos?sin?-sin? is
Options- A. 1
- B. 2
- C. 1/2
- D. 0 Discuss
- 3. If xy (x + y) = m, then the value of x3 + y3 + 3m is:
Options- A. m3xy
- B. m3x+y3
- C. m3x3y3
- D. mx3y3 Discuss
- 4. If x = 313- 3-13, then 3x3 + 9x value is
Options- A. 8
- B. 9
- C. 27
- D. 16 Discuss
- 5. If ? is positive acute angle and 7cos2? + 3sin2? = 4 , then the value of ? is
Options- A. 60°
- B. 30°
- C. 45°
- D. 90° Discuss
- 6. If cot? = 4 , then the value of 5sin?+3cos?5sin?-3cos? is
Options- A. 1/9
- B. 1/3
- C. 3
- D. 9 Discuss
- 7. 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
- 8. 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
- 9. ? 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
- 10. 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
Simplification problems
Search Results
Correct Answer: 15
Correct Answer: 0
Correct Answer: mx3y3
Correct Answer: 8
Correct Answer: 60°
Correct Answer: 9
Correct Answer: -3
Correct Answer: 5/?3
Correct Answer: 1/?3
Correct Answer: 1.25
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