Ok for some reason I'm not understanding this question or how to approach it Express i and j in terms of a and b a = 2i + 3j b = i-j Any help would be great, thanks. The answer is
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Originally Posted by 11rdc11 Ok for some reason I'm not understanding this question or how to approach it Express i and j in terms of a and b a = 2i + 3j b = i-j Any help would be great, thanks. The answer is Note that (first eq) + 3*(second eq) will eliminate the j terms. This gives us . Solving for i, we get . Now substitute this into either equation to solve for j. Can you take it from here?
Just treat the vectors as a system of equations.
Originally Posted by Chris L T521 Note that (first eq) + 3*(second eq) will eliminate the j terms. This gives us . Solving for i, we get . Now substitute this into either equation to solve for j. Can you take it from here? Wow I was completly overthinking that lol. Thanks again
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