allery3/7 का व्युत्क्रम (reciprocal) क्या है?
A-3/7
B3/7
C7/3
D1/21
Answer & Solution
Correct answer: C. 7/3
व्युत्क्रम निकालने के लिए अंश और हर को आपस में बदल दिया जाता है: 7/3।
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