3 years ago

Solve 3^(2x) = 7^(x_1).

2 answers:

8 0

Applying log to both sides of equation, we get:

2x log 3=(x−1) log 7

x=−0.12915

4 0

x=1−log9log7=−0.12915, nearly.

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Virty [35]

Answer:

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Step-by-step explanation:

We have A(2, - 7) and C(7, 3 )

Using the section formula to calculate the coordinates of B

$x_{B}$ = $\frac{3(2)+2(7)}{2+3}$ = $\frac{6+14}{5}$ = $\frac{20}{5}$ = 4

$y_{B}$ = $\frac{3(-7)+2(3)}{2+3}$ = $\frac{-21+6}{5}$ = $\frac{-15}{5}$ = - 3

Hence B(4, - 3 )

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ANTONII [103]

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