Discussion
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- Question
If sinA + sin2A = 1 then what is the value of cos2A + cos4A ?
Options- A. 1
- B. 2
- C. 1/2
- D. 1/4
- Correct Answer
- 1
- 1. If 5x + 1/x = 10, then x2 + 125x2 is equal to
Options- A. 215
- B. 335
- C. 315
- D. 235 Discuss
- 2. A and B together have Rs. 6300. If 5/19 of A's amount is equal to 2/5 of B's amount. The amount of 'B' is
Options- A. Rs. 2500
- B. Rs. 3800
- C. Rs.2300
- D. Rs. 4000 Discuss
- 3. If xy = 56 and x2+ y2= 113 , then what will be the value of (x + y)?
Options- A. 29
- B. 21
- C. 36
- D. 15 Discuss
- 4. If cosec4A - cosec2A = x , then value of x is?
Options- A. tan4A + tan2A
- B. cot4A + cot2A
- C. cot4A - cot2A
- D. tan4A - tan2A Discuss
- 5. Factors of 48x3- 8x2- 93x- 45 are
Options- A. (4x + 3)(4x - 3)(3x - 5)
- B. (4x - 3)(4x - 3)(3x- 5)
- C. (4x + 3)(4x + 3)(3x - 5)
- D. (4x - 3)(4x + 3)(3x + 5) Discuss
- 6. The value of 3x9n+1+9x32n-19x32n-6x9n-1 is equal to
Options- A. 335
- B. 325
- C. 315
- D. 3 Discuss
- 7. If a+b=3 then the value of a3+b3+9ab-27 is
Options- A. 24
- B. 25
- C. 0
- D. 27 Discuss
- 8. If x+1/x = 2, then the value of x7+2/x6 is equal to?
Options- A. 0
- B. 1
- C. 2
- D. 3 Discuss
- 9. If 5 sin2?+ 4 cos2?= 9/2 and 0
Options- A. 1
- B. 0
- C. -1
- D. 1/4 Discuss
- 10. What is the equation of the line which intercepts xaxis and yaxis at 3/4 and 2/3 respectively?
Options- A. 8x + 9y = 6
- B. 9x + 8y = 12
- C. 8x - 9y = 6
- D. 9x + 8y = -12 Discuss
Simplification problems
Search Results
Correct Answer: 335
Correct Answer: Rs. 2500
Correct Answer: 15
Correct Answer: cot4A + cot2A
Correct Answer: (4x + 3)(4x + 3)(3x - 5)
Correct Answer: 335
Correct Answer: 0
Correct Answer: 3
Correct Answer: 1
Correct Answer: 8x - 9y = 6
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