c tan x- sec² x +2= cosec'x- cotx
(x−2)
is a factor in the polynomial $x^{4}$ −2x+a
. What is the value of a
?
a*x^2+2*b*(x*y)-d*y^2
x^3+9*x^2+26*x+24=0
Suppose there are three groups of voters: the pro-war people (W), the normal people
(N) and the pacifists (P). Those voters care ...
840 ? ? 89
Consider the following vectors in
R
3
:
α
1
=
(
,
0
)
=(1,0,0)
2
...
(s+4)*(s+5)*(s+50)
In a population 7% of people are infected by a virus.
A screening test for the virus shows positive (for infection) or negative...
