garrychrist007 garrychrist007
  • 20-06-2020
  • Mathematics
contestada

If 2a+1/2a=10 find : 4a2+1/4a2

Respuesta :

jimrgrant1 jimrgrant1
  • 20-06-2020

Answer:

98

Step-by-step explanation:

(2a + [tex]\frac{1}{2a}[/tex] )² = 4a² + 2 + [tex]\frac{1}{4a^2}[/tex] , thus

10² = 4a² + 2 + [tex]\frac{1}{4a^2}[/tex] ( subtract 2 from both sides )

100 - 2 = 4a² + [tex]\frac{1}{4a^2}[/tex] , that is

4a² + [tex]\frac{1}{4a^2}[/tex] = 98

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