CBSE Guess > Papers > Important Questions > Class XII > 2009 > Maths > Mathematics By Anil Kumar Tondak CBSE CLASS XII Determinants Q. 1. Prove that
Q. 2. Find the equation of the line joining A(1,3) and B(0,0) using determinants and find if D (K, 0) is a point such that area of a triangle ABD is 3 square units. Q. 3. If A = Q. 4. Prove that : Q. 5. Solve by matrix method: Q. 6. Prove that : Q. 7. Prove that :
Q. 8. Solve :
Q. 9. Using determinants, find the area of the triangle whose vertices are (1, 4), (2, 3), (-5, 3). Are the given points collinear. Q. 10. If the points (a1, b1), (a2, b2) and (a1 + a2 b1 + b2) are collinear, Show that a1b2 = a2b1. Q. 11. If a, b, c are all positive and are pth , qth and rth terms of G.P., then show that Q. 12. If Prepared By Anil Kumar Tondak
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