Question

4. (UCP) O valor de
$( \frac {1}{2} )^{ - 1} + (\frac{1}{4} ) ^{ \frac{1}{2} }$
é:

a) 1/4
c) 1/2
b) 5/2
d) -1/2
​

Answer 1

(1/2)-¹ + (1/4)¹/²

(2/1)¹ + √(1/4)

2 + 1/2

4/2 + 1/2

5/2 ✓

Answer 2

(1/2)^ -1 = 2

(1/4)^ 1/2 =√(1/4) = 1/2

2 + 1/2

4/2 + 1/2

5/2

Letra b) 5/2

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