1 answer

Are there any numbers for which the expression #(8x^4+9)/(9x^2+18x)# undefined?

Question:

Are there any numbers for which the expression #(8x^4+9)/(9x^2+18x)# undefined?

Answers

Yes. This expression is undefined for #x=0# and #x=-2#

Explanation:

This expression is undefined for those values of #x#, for which the denominator is zero.

#9x^2+18x=0#

#9x(x+2)=0#

#x=0 vv x=-2#

.

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