The inve

**r**se**r**elation R ^-1 consists of the o**r**de**r**ed pai**r**s obtained by ... of B, so the pai**r**s (2,2), (2,6), and (2,8) a**r**e in R . 3 divides 6, but no othe**r**element of B. So the pai**r**(3,6...1 Answe

**r**s · Science & Mathematics · 20/08/2020... Profit is the difference between the revenue and the cost: P(

**r**) =**R**(**r**) - C(**r**) So we need to find functions for the...1 Answe

**r**s · Science & Mathematics · 10/12/2020Total resistance of the branch on the right = 40 +

**R**[1] Resistance of 30 ohms in parallel... = 75 * (30(40+**R**)/(70+**R**)) / (5 + 30(40+**R**)/(70+**R**)) ***R**/(40+**R**) [4] But...2 Answe

**r**s · Science & Mathematics · 21/09/2020a) Given Integ

**r**al I= ∫∫ R (+)A whe**r**e R is the**r**egion in the xy-plane which lies below...1 Answe

**r**s · Science & Mathematics · 19/07/2020...5 * e^(x) - 4 * e^(x) + 5 * e^(-x) + 4 * e^(-x)) => (1/2) * (e^(x) + 9 * e^(-x))

**r*** cosh(x - a) =**r*** (1/2) * (e^(x - a) + e^(a - x))**r*** (1/2) * (e^(x - a) + e^(a...1 Answe

**r**s · Science & Mathematics · 18/11/2020**r**=(1 - 2 cos θ) = 1 is quite meaningless. A**r**e u su**r**e u typed it in co**r****r**ectly?1 Answe

**r**s · Science & Mathematics · 01/01/2021...space must equal 1. (b) since the sum of all p

**r**obabilities = 1 P(**r**>=1) = 1 - P(**r**is not g**r**eate**r**than one) The only...1 Answe

**r**s · Science & Mathematics · 30/10/2020Let (A,B) ∈

**R**and (B,C) ∈**R**then A ⊆ B and B ⊆ C ⇒ A ⊆ C ⇒ (A, C) ∈**R**. . .**R**is transitive1 Answe

**r**s · Science & Mathematics · 28/07/2020...q is always t

**r**ue if p is false, no matte**r**the t**r**uth-value of q. ..**r**.. s .. t . (~**r**)^s ..**r**^t . ((~**r**) ^ s) --> (**r**^ t...1 Answe

**r**s · Science & Mathematics · 06/06/2020...42 (21/4) * 2^(x) = 42 2^x = 42 * 4 / 21 2^x = 2 * 4 2^x = 8 x = 3 V =

**R**/ (**R**[s] +**r**) * V[dc] V / (**R*** V[dc]) = 1 / (**R**...3 Answe

**r**s · Science & Mathematics · 23/02/2020