f(x^2-5)=logax^2/10-x^2的解析式还有f(x)的奇偶性;解不等式f(x)大于等于0.

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f(x^2-5)=logax^2/10-x^2的解析式还有f(x)的奇偶性;解不等式f(x)大于等于0.
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f(x^2-5)=logax^2/10-x^2的解析式还有f(x)的奇偶性;解不等式f(x)大于等于0.
f(x^2-5)=logax^2/10-x^2的解析式
还有f(x)的奇偶性;
解不等式f(x)大于等于0.

f(x^2-5)=logax^2/10-x^2的解析式还有f(x)的奇偶性;解不等式f(x)大于等于0.
令x^2-5=t,则x^2=t+5
f(x^2-5)=loga[x^2/(10-x^2)]
f(t)=loga[(t+5)/(10-t-5)]
f(t)=loga[(t+5)/(5-t)]
(t+5)/(5-t)>0
-5