Question

Ex 2 va rogg!!!! Dau coroanaaaaa!!!

Answer 1

Răspuns:

Explicație pas cu pas:

2)

a)

(1/2)²+(1/3)²

= 1²/2²-1²/3²

=⁹⁾1/4-⁴⁾1/9

=9/36-4/36

=5/36

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b)

(1/3)⁰+(1/3)¹

=1⁰/3⁰+1¹/3¹

= ³⁾1/1+1/3

=3/3+1/3

=4/3

-

c)

(5/3)²-(1/2)³

=5²/3²-1³/2³

=⁸⁾25/9-⁹⁾1/8

=200/72-1/72

=199/72

-

d)

(1/2)¹-(1/2)²

=1¹/2¹-1²/2²

=²⁾1/2-1/4

=2/4-1/4

= 1/4