1. Let u= (a) - w (b) 2 + 70 4. If 7= . [] and...

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1. Let u= (a) - w (b) 2ű + 70 4. If 7= . [] and w H Find each of the following. (c) + (-4) (d) 6(-30) 2. With , , and was above, find the vector such that 57-27=2(-5). 3. Again with u, , and was above, evaluate each expression. (a) + (e) (b)| + || (c) ||-2|+2|||| (d) ||3u-50 + w| (e) --w (f) (6-)-(4+¹) 41 find all scalars k such that ||ke|| = 5. 1. Let u= (a) - w (b) 2ű + 70 4. If 7= . [] and w H Find each of the following. (c) + (-4) (d) 6(-30) 2. With , , and was above, find the vector such that 57-27=2(-5). 3. Again with u, , and was above, evaluate each expression. (a) + (e) (b)| + || (c) ||-2|+2|||| (d) ||3u-50 + w| (e) --w (f) (6-)-(4+¹) 41 find all scalars k such that ||ke|| = 5.