alexgubenya alexgubenya

10-09-2021
Mathematics

contestada

Is |a + b| = |a| + |b| true for all rational numbers a and b?

Respuesta :

Аноним Аноним

10-09-2021

Answer:

Yes

Step-by-step explanation:

Lets verify

a be 3/5
b be 2/5

LHS

.

[tex]\\ \sf\longmapsto \left|\dfrac{3}{5}+\dfrac{2}{5}\right|[/tex]

[tex]\\ \sf\longmapsto 1[/tex]

RHS

[tex]\\ \sf\longmapsto \left|\dfrac{3}{5}\right|+\left|\dfrac{2}{5}\right|[/tex]

[tex]\\ \sf\longmapsto 1[/tex]

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