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rational root of 4x5+4x4+35x3+35x2−9x−9=0?
let a be a fixed element of a group G. show that H={ax=xa , where x is the element of G} is a subgroup of G.
Need help with this one:
Please prove that every hyperplane (a,y) is a linear manifold.
Please show that the vector a is orthogonal to the hyperplane H = H(a,€); that is, if u and v are in H, then a is orthogonal to u - v.
A roasted turkey is taken from an oven when its temperature has reached 185 Fahrenheit and is placed on a table in a room where the temperature is 75 Fahrenheit.
(a) If the temperature of the turkey is 157 Fahrenheit after half an hour, what is its temperature after 45 minutes?
list all the proper subgroup of the multiplicative Z18

Let G be a group with respect to binary operation and a be an arbitrary element of G. Show that H={x:x E G, x binary operation a=a binary operation x} is a subgroup G.

Show that the set {x:x E I, 5/x} is a subgroup of the additive group I.
xy-[yz-zx-{yx-(3y-xz)-(xy-zy)}]
show that the length of the curve y = log Sec x between the points x = 0 and x = pi/3 is log(2 + √3)
Which is equivalent to 1/5{squareroot of (625) - squareroot of )-225)}?

A. -5-3i
B. 3-5i
C. 6-3i
D. 5-3i
Let R be a commutative domain that is not a field. If R is semilocal, show that R is not J-semisimple.
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