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Question
Solve `a^2x^2 - b^2 = 0`
Sum
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Solution
`a^2x^2 - b^2 = 0`
`=> (ax)^2 - b^2 = 0`
=> (ax + b)(ax - b) = 0
If ax + b = 0 and ax- b = 0
then `x = (-b)/a and x= b/a`
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