Any help please? Line 1: y = a^x + 1 , a>2 Line 2: y = a^(x+1), a>2 Prove that they intersect when x = loga(1/(a-1))
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Originally Posted by kenj Any help please? Line 1: y = a^x + 1 , a>2 Line 2: y = a^(x+1), a>2 Prove that they intersect when x = loga(1/(a-1)) The curves: , and intersect when: so: Rearranging: , rearranging: so taking s to base : RonL
Sorry - got it ! It was easy once I realised that a^(x+1) is the same as aa^x
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