Let K be a normal subgroup of a group G. Define a function f:G →G/K by f(x)=xK. Find the kernel Ker(f) and the imageIm(f)= f(G) of f.

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- November 19th 2009, 05:22 AMapple2009Kernel
Let K be a normal subgroup of a group G. Define a function f:G →G/K by f(x)=xK. Find the kernel Ker(f) and the image

*Im(f)*= f(G) of f.

- November 19th 2009, 05:38 AMtonio

Please do go back to your notes/books, read carefully and slowly until you understand the basic definitions in basic group theory, then think a little, do some work AND THEN, if you're still stuck somewhere, write back and ask for others to help you out to do your homework, and not all of it.

Tonio