Remember that a function is linear iff for all and we have . If you have the sum and . It should be clear from here, just try to work them out.

For the second one suppose and are linear take and then

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- October 22nd 2009, 03:34 PM #1

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## Can anybody help me?

I got two questions about proving linear mapping stuff. For questions number 5 and 6 in the attachment! ThanksMATH_136-Assign5-F09.pdf

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- October 22nd 2009, 04:47 PM #2

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