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x^2 = 49 యొక్క సాధనలు

A14 మరియు -14
B49 మరియు -49
C7 మాత్రమే
D7 మరియు -7
Answer & Solution
Correct answer: D. 7 మరియు -7
7 మరియు -7 రెండింటి వర్గం 49 అవుతుంది.
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