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सदिश \(\hat{i}+3\hat{j}+7\hat{k}\) का सदिश \(7\hat{i} - \hat{j} + 8\hat{k}\) पर प्रक्षेप ज्ञात कीजिए।

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अत: सदिश \(\hat{i}+3\hat{j}+7\hat{k}\) का सदिश \(7\hat{i} - \hat{j} + 8\hat{k}\) का प्रक्षेप \(\frac{60}{\sqrt{114}}\) है।

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