(x - 2a) (x - 2b) = 4ab Find the nature of roots
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(x−2a)(x−2b)=4ab
x
2
−2bx−2ax+4ab=4ab
x
2
−2x(b+a)=0
x(x−2(b+a))=0
Either root is 0 or 2(b+a).
by nature one is both are positive because 0 is always taken as positive integer.
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