Join ExamsbookAnswer : 3. "5"
(3x + 2) (2x - 5) = ax² + kx + n. What is the value of a - n + k ?5
Q: (3x + 2) (2x - 5) = ax² + kx + n. What is the value of a - n + k ?
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Answer : 3. "5"
Explanation :
Answer: C) 5 Explanation: (3x + 2) (2x - 5) = ax2+kx+n ...............(1) But (3x + 2)(2x - 5) = 6x2-11x-10........(2) so by comparing (1) & (2), we get a= 6, k= -11 , n= -10 (a - n + k) = 6 + 10 - 11 = 5.