Log 9(x²+5)=1
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log9(x²+5)=1
using property of log
x²+5=9^1
x²+5=9
x²=4
x=+2 because log is not negative so -2 will not hold
using property of log
x²+5=9^1
x²+5=9
x²=4
x=+2 because log is not negative so -2 will not hold
Answered by
1
For natural log which is to the Base e we have
Log 9(x^2+5)=1
x^2+5=9^1
x^2=4
x=+-2
Neglecting the negative value we get
x=2
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