C is the point on AB such that AC:CB = 4:3. Express c in terms of a and b Please help !!!
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Originally Posted by creatively12 C is the point on AB such that AC:CB = 4:3. Express c in terms of a and b What kind course are you doing? Are there no notes or text book? These questions are so fundamental, you should have no trouble with them. $\displaystyle c=a+\frac{4}{7}(b-a)$
thanks for your help, m doing A levels, yes there is a textbook but its not good, and m not that good with vectors actually. but the answer to this question is c = (3/7)a + (4/7)b
Originally Posted by creatively12 but the answer to this question is c = (3/7)a + (4/7)b You are not doing anything for yourself! Had you, you would have seen $\displaystyle c=a+\frac{4}{7}(b-a)=\frac{4}{7}b+\frac{3}{7}a$. You must do more for yourself. That is the only way to learn mathematics.
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