Question

(k) If f(x) = x² + 1, solve f(x + 1) + f(x - 1) - 12 = 0.​

Answer 1

Answer:

bnjehehejjrjrriijeiei

Answer 2

Answer:

If the function f (x) = {(x 2 - 1)/(x - 1) when x ≠ 1, k when x = 1 } is given to be continuous at x = 1, then the value of k is