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11TH · MATH

Question 1

menu_bookSolutionmenu_bookTheorymenu_book•(i)a=2i+j−k\mathbf{a} = 2\mathbf{i} + \mathbf{j} - \mathbf{k}a=2i+j−k, $\mathbf{b} = \mathbf{i} - \mathbf{j} + \mathbf{k}$menu_book•(ii)a=i+3j+2k\mathbf{a} = \mathbf{i} + 3\mathbf{j} + 2\mathbf{k}a=i+3j+2k, $\mathbf{b} = 2\mathbf{i} - \mathbf{j} + \mathbf{k}$menu_book•(iii)a=2i−2j+k\mathbf{a} = 2\mathbf{i} - 2\mathbf{j} + \mathbf{k}a=2i−2j+k, $\mathbf{b} = -\mathbf{i} + \mathbf{j} + 3\mathbf{k}$menu_book•(iv)a=−4i+j−2k\mathbf{a} = -4\mathbf{i} + \mathbf{j} - 2\mathbf{k}a=−4i+j−2k, $\mathbf{b} = 2\mathbf{i} + \mathbf{j} + \mathbf{k}$
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11TH · MATH

Question 1

menu_bookSolutionmenu_bookTheorymenu_book•(i)a=2i+j−k\mathbf{a} = 2\mathbf{i} + \mathbf{j} - \mathbf{k}a=2i+j−k, $\mathbf{b} = \mathbf{i} - \mathbf{j} + \mathbf{k}$menu_book•(ii)a=i+3j+2k\mathbf{a} = \mathbf{i} + 3\mathbf{j} + 2\mathbf{k}a=i+3j+2k, $\mathbf{b} = 2\mathbf{i} - \mathbf{j} + \mathbf{k}$menu_book•(iii)a=2i−2j+k\mathbf{a} = 2\mathbf{i} - 2\mathbf{j} + \mathbf{k}a=2i−2j+k, $\mathbf{b} = -\mathbf{i} + \mathbf{j} + 3\mathbf{k}$menu_book•(iv)a=−4i+j−2k\mathbf{a} = -4\mathbf{i} + \mathbf{j} - 2\mathbf{k}a=−4i+j−2k, $\mathbf{b} = 2\mathbf{i} + \mathbf{j} + \mathbf{k}$
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