if px3+qx2-ax+b=2x3-3x2-4x=5 then values of p, q. a and b are respectively.
Correct answer: C. 2,- 3, 4, 5
- A. 2, 3, 5, 4
- B. 2, 3, 5, -4
- C. 2,- 3, 4, 5
- D. -2, 3, 4, -5
Explanation
Putting in 2, -3, 4,5 for values of p, q, a, and b respectively will make the right side of the equation the same as the left side allowing the equation to be correct for any value of x put in.
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