The derivative of y = (1 – x)(2 – ….. (n – at x = 1 is equal to
A. 0
B. (-1)(n – 1)!
C. n! – 1
D. (-1)n-1(n – 1)!
Answer:B
The derivative of y = (1 – x)(2 – ….. (n – at x = 1 is equal to
A. 0 B. (-1)(n – 1)! C. n! – 1 D. (-1)n-1(n – 1)!