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1}Show that the points A(a, b+c), B(b,c+a), C (c, a+b) are collinear.2}The cost of 4 kg onion, 3 kg wheat and 2 kg rice is Rs 60. The cost of 2 kg onion, 4 kg wheat and 6 kg rice is Rs 90. The cost of 6 kg onion 2 kg wheat and 3 kg rice is Rs 70. Find the cost of each item per kg by matrix method.3}Find the equation of the line joining A(1, 3) and B(0, 0) using determinants and find k if D(k, 0) is a point such that area of triangle ABD is 3 sq units.No need of spam answeres |
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Answer» Answer: your 1st number answer is in the ATTACHMENT ❤️2ñd number answer is in the SECOND attachment ❤️3rd answer is in the 3rd attachment ❤️ |
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