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1. If
2. Solve the following system of linear equations by determinant method:
2x = 3y = 8; 4x + 6y = 16.
3. Show that the points (3, -1, -1), (1, 0, -1), and (5, -2, -1) are collinear.
4. Find the vector and Cartesian equation of a sphere with center having position vector
and radius 4 units.5. Solve
if 1 + i is one of the roots.6. Prove that the tangent at any point to the rectangular hyperbola forms with the asymptotes a triangle of constant area.
7. Find the absolute maximum and minimum values of the function
8. Verify Lagrange's law of mean for the function
9. Find the approximate value of
using differentials.10. Find the area of the region bounded by y = 2x + 4, y = 1, y = 3, and the y axis.
11. Solve:
12. If cosA + cosB + cosC = 0 = sinA + sinB +sinC, then prove that
cos2A + cos2B + cos2C = 0 and sin2A + sin2B + sin2C = 0.
It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.
Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.
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