Of course you can use the quotient rule, but it is usually not the easiest method. If we do use it here, we get $${d\over dx}{10\over x^2}={x^2\cdot 0-10\cdot 2x\over x^4}= {-20\over x^3},$$ since the derivative of 10 is 0.
1 Young children can't tell the difference between fantasy and reality. 2  Your preschooler's rich imagination is a big part of his normal development, but that means it is usually hard for him to tell the difference between what's real and what's imaginary.
HP and VR-Ready Workstations: a Match Made in Virtual Heaven. Virtual reality this and virtual reality thatâeveryone is throwing around the term virtual reality and VR as if they expect prosumers to know exactly what it means. But the reality of virtual reality is that VR is more than just a futuristic-looking headset and some catchy graphics.