Algebra
Calculus
Trigonometry
Matrix
Question
Solve the equation
f1=−2,f2=2
Evaluate
4=4f4
Swap the sides of the equation
4f4=4
Cross multiply
f4=4×4
Simplify the equation
f4=16
Take the root of both sides of the equation and remember to use both positive and negative roots
f=±416
Simplify the expression
More Steps
Evaluate
416
Write the number in exponential form with the base of 2
424
Reduce the index of the radical and exponent with 4
2
f=±2
Separate the equation into 2 possible cases
f=2f=−2
Solution
f1=−2,f2=2
Show Solution
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