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VECTOR ALGEBRA — Maths STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceMathsVECTOR ALGEBRA1 Mark
Question
Find the value of p if
$(2\hat{\text{i}}+6\hat{\text{j}}+27\hat{\text{k)}}\times(\hat{\text{i}}+3\hat{\text{j}}+\text{p}\hat{\text{k}})=\vec{0}.$
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Answer

$\frac{27}{2}.$

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