Solve the Equation $x ^ { 6 } + 49 = 49 x ^ { 4 } + x ^ { 2 }$

question 224

Multiple Choice

Solve the equation.
- $x ^ { 6 } + 49 = 49 x ^ { 4 } + x ^ { 2 }$

• A) \(- 7,7 , - i , i\)
• B) \(- 7,7 , - 1,1 , - 7 i , 7 i\)
• C) \(- 7,7 , - 1,1\)
• D) \(- 7,7 , - 1,1 , - \mathrm { i } , \mathrm { i }\)

Distinguish between different types of immunity (passive/active, natural/artificial).

Recognize the changes in adaptive immunity with age.

Comprehend the structure and function of the lymphatic system, including lymphatic capillaries and mucosa-associated lymphatic tissues.

Understand how the lymphatic system contributes to immunity and circulation.