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in Mathematics by (121k points)
निम्नलिखित कथनों पर विचार करें :
कथन I : `veca=2veci-3vecj+veck" और "vecb=5veci+2vecj-4veck` परस्पर लंबवत है
कथन II : `veca xx vecb=0`
A. दोनों कथन सही है तथा कथन II कथन I की सही व्याख्या है |
B. दोनों कथन सही है परंतु कथन II कथन I की सही व्याख्या नहीं है |
C. कथन I सही है, परन्तु कथन II असत्य है |
D. कथन I असत्य है, परन्तु कथन II सही है |

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