48 i know because i used a calculator
Step-by-step explanation:
21:18=7:6
42:36=7:6
63:54=7:6
Answer:
4:3,12:9, and 16:12
Step-by-step explanation:
Use the chain rule to compute the second derivative:

The first derivative is


Then the second derivative is


Then plug in π/4 for <em>x</em> :
