Grade 11Algebra
The solution of the equation log base7 log base5(√x+5 +√x)=0X=??(a)4(b)2(c)3(d)0
The solution of the equation log base7 log base5(√x+5 +√x)=0
X=??
(a)4
(b)2
(c)3
(d)0
1 Answer
akhil ojha
Approved Tutor Answer8 Years agolog7(log5(x1/2+5+x1/2))=0 this is our question as we know that
if logxy=0
then y should be 1
so
log5(2x1/2+5)=1
and we also know that logxy=1
then y should be x
2x1/2+5=5
2x1/2=0
x=0
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