2x + 2|x| ＞=2√2Solve..What is the answer .Please find and reply me fast
2x + 2|x| ＞=2√2
Solve..
What is the answer .Please find and reply me fast
Learn more , 7 Years ago
Grade
Algebra> 2 x + 2 |x| ＞=2√2 Solve.. What is the ans...
1 Answers
Arun
Dear student
if x >0
2^x + 2^x > = 2 * sqrt(2)
2^x > = sqrt(2)
x > = ½
if x
2^x + 2^ –x > = 2 * sqrt(2)
2^2x + 1 > = 2^(x+1) * sqrt (2)
assume 2^x = t and then it will be a quadratic equation. now you can solve it further
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