Zadanie 7b
Find p when |a+b| is as small as possible.
Wczytuję zadania…
Zapisujemy na Twoim urządzeniu to, bez czego serwis nie działa, np. zalogowanie. Plików analitycznych użyjemy tylko za Twoją zgodą. Szczegóły w polityce prywatności.
Wybierz umiejętność, rok lub poziom trudności.
Pokazujemy tylko poziomy, dla których mamy zadania.
Znaleziono 1343 zadania
Find p when |a+b| is as small as possible.
Find q=(x,y), with x,y>0, such that |q|=13 and q is perpendicular to a.
Using u=csc x or otherwise, evaluate in terms of the nonzero real parameter n.
Show that a finite limit is possible only when k=ln3.
For k=ln3, use l’Hôpital’s rule to prove that L=−2/3.
Integers a,b satisfy that a2 + 3b2 is divisible by 8. Prove by contradiction that a,b cannot both be odd.
Express the product of its roots in terms of k.
Determine k for which one root is positive and the other negative.
A continuous random variable X has density for a≤x≤c, for c<x≤b, and 0 elsewhere. Assume a<c<b and c ≥ (2b + a)/3. Find its median in terms of a,b,c.
A sensor of type A gives normally distributed signal readings with mean 48 and standard deviation 4. A type-B sensor has mean 50 and standard deviation 3. Every reading is independent, including across the two sensors. Each sensor is tested four times and…