mad3lynpittman mad3lynpittman

22-01-2020
Mathematics

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Find the real solutions of the equation
•WILL MARK BRAINLIEST•

Find the real solutions of the equation WILL MARK BRAINLIEST class=

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22-01-2020

Answer: x = ± 1.68

Step-by-step explanation:

7x^4 = 56

x^4 = 56/7

x^4 = 8

Let a = x²

(x²)² = 8

(a)² = 8

a = ± √8

Now,

a = -√8

x² = -√8 has no real solution.

Taking +√8

a = √8

x² = √8

x = ± √(√8))

x = ± 1.68

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