If $\overrightarrow{\mathrm{a}}=\mathrm{x}\hat{\mathrm{i}}+\mathrm{y}\hat{\mathrm{j}}+\mathrm{z}\hat{\mathrm{k}},$ then

$\left(\overrightarrow{\mathrm{a}}\times \widehat{\mathrm{i} }\right).\left(\hat{\mathrm{i}}+\hat{\mathrm{i}}\right)+\left(\overrightarrow{\mathrm{a}}\times \hat{\mathrm{j}}\right).\left(\hat{\mathrm{j}}+\hat{\mathrm{k}}\right)+\left(\overrightarrow{\mathrm{a}}\times \hat{\mathrm{k}}\right).\left(\hat{\mathrm{k}}+\hat{\mathrm{i}}\right)=$

best study material, now at your finger tips!

• 

  live classes

• 

  progress tracking

• 

  24x7 mentored guidance

• 

  study plan analysis

download the app