- #1
julypraise
- 110
- 0
(Sorry for the wrong title!)
Let a>1 (a in R). Then how do you prove for all x in R, a^x > 0 ?
And also that a^y>1 for all y>0, how do you prove?
And also how do you prove that 0^b = 0 when b is a real number?
(For me this is so difficult. So please just help me. Enough hints will suffice, no full solution.)
Let a>1 (a in R). Then how do you prove for all x in R, a^x > 0 ?
And also that a^y>1 for all y>0, how do you prove?
And also how do you prove that 0^b = 0 when b is a real number?
(For me this is so difficult. So please just help me. Enough hints will suffice, no full solution.)
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