Please factorize the question...
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answer: (d)
Step-by-step explanation:
a/a+b - b/a-b
a(a-b) /a+b - b(a+b) /a-b
a^2 - ab - ab - b^2/ (a+b) (a-b)
a^2 - b^2 - 2ab/ a^2 - b^2
(a-b)^2 / a^2 - b^2
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