Question

For any X € R show that cosh 2x = 2 cosh? x -1.​

Answer 1

Answer:

your answer is

Step-by-step explanation:

(x+17)))/x^2 ) f′(x) = (((x+17)^2 (2x−17))/x^ 2 ) f′(x) = 0 ⇔ x = ((17)/2) (x > 0) If x < ((17)/2), f′(x) ...