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x^2 = 49 ਦੇ ਹੱਲ ਹਨ

A14 ਅਤੇ -14
B49 ਅਤੇ -49
C7 ਇਕੱਲਾ
D7 ਅਤੇ -7
Answer & Solution
Correct answer: D. 7 ਅਤੇ -7
7 ਅਤੇ -7 ਦੋਵੇਂ 49 ਦਾ ਵਰਗ ਹਨ।
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