ramandeep ramandeep

21-04-2020
Mathematics

contestada

If g^2+1/g^2=51, find the positive value of g-1/g

Respuesta :

jimrgrant1 jimrgrant1

21-04-2020

Answer:

7

Step-by-step explanation:

Note that

(g - [tex]\frac{1}{g}[/tex] )² = g² - 2 + [tex]\frac{1}{g^2}[/tex] = 51 - 2 = 49

Take the square root of both sides

g - [tex]\frac{1}{g}[/tex] = [tex]\sqrt{49}[/tex] = 7 ← the positive value

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