Q: х2+5х+6 6. х+2
A: 7) = x2 + 5x + 6x2*xx+2= x2 + 2x+3x + 6x*x*xx+2= (x+2)(x+3)x*1x+2= (x+3)x*1x+2=(x+3)x(x+2)Restrictio...
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Q: following
A: Please refer to the image below
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Q: following
A: Please refer to the image below
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Q: Show all work to solve 3x2 + 5x – 2 = 0.
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- Let H1={ [ 0 ],[ 6 ] } and H2={ [ 0 ],[ 3 ],[ 6 ],[ 9 ] } be subgroups of the abelian group 12 under addition. Find H1+H2 and determine if the sum is direct.11. Assume that are subgroups of the abelian group such that the sum is direct. If is a subgroup of for prove that is a direct sum.9. Suppose that and are subgroups of the abelian group such that . Prove that .
- For each of the following subgroups H of the addition groups Z18, find the distinct left cosets of H in Z18, partition Z18 into left cosets of H, and state the index [ Z18:H ] of H in Z18. H= [ 8 ] .13. Assume that are subgroups of the abelian group . Prove that if and only if is generated by9. Find all homomorphic images of the octic group.
- Consider the group U9 of all units in 9. Given that U9 is a cyclic group under multiplication, find all subgroups of U9.1. Consider , the groups of units in under multiplication. For each of the following subgroups in , partition into left cosets of , and state the index of in a. b.27. a. Show that a cyclic group of order has a cyclic group of order as a homomorphic image. b. Show that a cyclic group of order has a cyclic group of order as a homomorphic image.