Lösungen/Solutions/E1S1AlUe/Ex7

L=Lektion/Leçon-- Sprechstunde/heures de consultation
W=Work/Arbeit/Travail
A  =Anhang/  Annexe / Appendice

Ueb/Ex 1 - 4      A

e1 = {1, 0};  e2 = {0, 1};  b1 = e1;  b2 = {0.75, 0.5 };

e2 == m b1  +  n b2

Solve[e2 == m b1  +  n b2, {m, n}]

Ueb/Ex 5 - 10      A

Ueb/Ex 11      W

a

Sum[2  k, {k, 1, n}]

b

Sum[1/((k) (k + 1)), {k, 1, n}]

c

Plot[{x, 2^x}, {x, 0, 3}];