3. Given ā=(-1,2,-3), b = 2ī − j + k, and = i + j do the required operations: a) 2a-b+3č b) 3(a + 2b)-2(à - c) [K/4 MARK

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3 Given A 1 2 3 B 2i J K And I J Do The Required Operations A 2a B 3c B 3 A 2b 2 A C K 4 Mark 1 (82.77 KiB) Viewed 34 times

3. Given ā=(-1,2,-3), b = 2ī − j + k, and = i + j do the required operations: a) 2a-b+3č b) 3(a + 2b)-2(à - c) [K/4 MARKS] 4. [A/ 4 MARKS] Two vectors are defined by à = 2 km [W] and b = 4km [S] Find the sum vector and the difference vector.