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If all values obtained from the equation 4^x – (a – 3)2^x + a – 4 = 0 are non positive then
  1. a belongs to (4,5)
  2. a belongs to (0,4)
  3. a belongs to (4 to infinity)

muktesh singh , 11 Years ago
Grade 11
anser 1 Answers
SHAIK AASIF AHAMED

Last Activity: 11 Years ago

Hello student
This problem can be easily solved by verification
if a=3 then x is positive so option 2 is eliminated
slly if a=5 our equation will be perfect square so option 3 is eliminated
Hence option 1 is the correct answer
Thanks and regards
Shaik Aasif
askIITians faculty
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