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Vaselesa [24]
3 years ago
13

Help me please

TexFormula1" title="f(x) = ln(x { } ^{2} + 2 ) " alt="f(x) = ln(x { } ^{2} + 2 ) " align="absmiddle" class="latex-formula">
​
Mathematics
1 answer:
CaHeK987 [17]3 years ago
3 0
➡Answer: x=√(e^y-2)

❇Explanation:
Step1: Let f(x)=y,then

↪y=ln(x²+2)

Step2: Converting it into exponential form,

↪e^y=x²+2

↪x²=e^y-2

Step3: Taking square root of both sides,

↪x=√(e^y-2)

❇Note:

ln means log with base e.

So in step 2 , base e of ln (x²+2) goes to other side in the form e^y. That is simply the property of log I used there..

Hope this helps!
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