these are some answers that can help you 15/40 or 6/9, 8/36, 12/90
Do u want us to solve if so i will do that
Answer:
11.89
Step-by-step explanation:
Recall that
d/dx sech(x) = - sech(x) tanh(x)
d/dx tan⁻¹(x) = 1/(1 + x²)
Then by the chain rule,
dy/dx = - sech(x) tanh(x) / (1 + x²)
I think it’s 11 sorry if I’m incorrect
