Grade 11Algebra
roots of quation log2(n2-4n+5)=n-2 are
roots of quation log2(n2-4n+5)=n-2 are
1 Answer
abhishek upadhyay
log2((n-2)2+1) = n-2
clearly n-2 = 0 is a solution
now, (n-2)2+1 = 2n-2 has only one solution .....(by graph)
so n=2 is only solution
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