Let H and K be Subgroups(adsbygoogle = window.adsbygoogle || []).push({});

show Ha[itex]\cap[/itex]Ka = (H[itex]\cap[/itex]K)a for all a [itex]\in[/itex]G

pf

Let x[itex]\in[/itex]Ha[itex]\cap[/itex]Ka

Then x[itex]\in[/itex]Ha and x[itex]\in[/itex]Ka

Can I just say that x [itex]\in[/itex](H[itex]\cap[/itex]K)a ? Or am I missing something.

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# Homework Help: Coset Question

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