Question

21.
The value of 4
$\sqrt{(16) - }^{2} }$
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Answer 1

Answer:

Value of square root of 4 is both +/-2 considering what the definition of sqrt is. ... Example: The square root of 16= 4. Thus: 4 x 4 = 16. ... Take 4. (4)½ = {(2²)}½ = 2.