Question

Oblicz:

a) I1-(-3)I

b) I5-I-3 I.I*I5+I3II

c)I1-I2-I3III

d)I1-pierwiastek z 3I

e) Ipi-5I

Answer 1

a) I1-(-3)I= | 1 + 3| = | 4| = 4

 

b) I5-I-3 I.I*I5+I3II = |5 - 3 | * | 5 + 3| = | 2 | * | 8| = 2 * 8 = 16

 

c)I1-I2-I3III = |1 - |2 - 3|| = |1 - | -1| | = | 1 - 1 | = | 0 | = 0

 

d)I1-pierwiastek z 3I= - (1 - √3) = -1 + √3

 

e) Ipi-5I =- (π - 5) =  - π + 5