MCQ
$5 \hat{\mathrm{i}}+\hat{\mathrm{j}}-3 \hat{\mathrm{k}}$ और $3 \overrightarrow{\mathrm{i}}-4 \overrightarrow{\mathrm{j}}+7 \overrightarrow{\mathrm{k}}$ का अदिश गुणनफल है :
  • A
    10
  • -10
  • C
    15
  • D
    -15

Answer

Correct option: B.
-10
(B)

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