How do you solve #(1) ^x = 3^(x-6)#?
Real solution:
#x=6#
Complex solutions:
#x = 6 + (2k pi i)/ln 3# for any integer#k in ZZ#
So our equation simplifies to:
satisfying the equation.
Complex solutions
So:
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To solve , take the natural logarithm of both sides to eliminate the exponents:
Using the properties of logarithms, rewrite the equation:
Since , the equation simplifies to:
Now, you have two possibilities:
- (because )
- (because )
Solve these equations:
-
-
This is not possible because is not equal to zero.
Therefore, the only solution is .
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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
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