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Answer 2.1:1

From Förberedande kurs i matematik 1

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Övning 2.1:1

Utveckla

a) 3x(x1) b) (1+xx2)xy c) x2(4y2)
d) x3y2y11xy+1  e) (x7)2 f) (5+4y)2
g) (y23x3)2 h) (5x3+3x5)2