Read more

Read more

Read more

Read more

Discover Questions

Cho a,b >0 / a+b=a^2+b^2=a^3+b^3/ tính a^2015+b^2015? In 100 ppm of urea, how many ppm of ammonia will present? How do I find the limit of x^sin(x) as x approaches 0+? I keep getting stuck at sin(x)/x + ln(x)cos(x). Am I doing this right? What is the relationship of electronegativity of metals and non metals? What distinguishes a theory from a natural law?

Read more

82 %