Discussion
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- Question
If 2x + 6y = 3xy and 10x - 3y = 4xy, find x, y.
Options- A. 3, 2
- B. 2, 3
- C. 4, 6
- D. 6, 4
- Correct Answer
- 3, 2
- 1. What is the value of sec 4?/3?
Options- A. 2
- B. -2
- C. 2/?3
- D. -2/?3 Discuss
- 2. ?(1 + tan2A)/tanA is equal to
Options- A. secA
- B. sinA
- C. cosecA
- D. cosA Discuss
- 3. The point P (a,b) is first reflected in origin to P1 and P1 is reflected in Yaxis to (4,3). The co-ordinates of point P are
Options- A. (4,3)
- B. (-4,3)
- C. (-3,4)
- D. (3,-4) Discuss
- 4. On dividing 8a2b2c2 by 4a2 , we get
Options- A. 2b2
- B. 2c2
- C. 2b2c2
- D. 2 Discuss
- 5. 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
- 6. If 2x- 3(4-2x) < 4x - 5 < 4x + 2x/3, then x can take which of the following values?
Options- A. 2
- B. 8
- C. 0
- D. -8 Discuss
- 7. If 1/(tanA + cotA) = x, then value of x is
Options- A. cosAsinA
- B. cos2Asin2A
- C. cosecAsecA
- D. cosec2Asec2A Discuss
- 8. P(4,2) and R(-2,0) are vertices of a rhombus PQRS. What is the equation of diagonal QS.
Options- A. x - 3y = -2
- B. 3x + y = 4
- C. 3x + y = -4
- D. x - 3y = 2 Discuss
- 9. If a ? b = 11 and ab = 24, then value of a2 + b2 is
Options- A. 169
- B. 37
- C. 73
- D. 48 Discuss
- 10. The simplified form of (x + 3)2 + (x - 1)2 is
Options- A. (x2 + 2x + 5)
- B. 2(x2 + 2x + 5)
- C. (x2 - 2x + 5)
- D. 2(x2 - 2x + 5) Discuss
Simplification problems
Search Results
Correct Answer: -2
Correct Answer: cosecA
Correct Answer: (4,3)
Correct Answer: 2b2c2
Correct Answer: 2
Correct Answer: 0
Correct Answer: cosAsinA
Correct Answer: 3x + y = 4
Correct Answer: 169
Correct Answer: 2(x2 + 2x + 5)
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