# Loyola College B.Sc. Mathematics April 2012 Algebra, Analy. Geo., Calculus & Trigonometry Question Paper PDF Download

LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

B.Sc. DEGREE EXAMINATION – MATHEMATICS

FIRST SEMESTER – APRIL 2012

# MT 1500 – ALGEBRA, ANALY. GEO., CALCULUS & TRIGONOMETRY

Date : 28-04-2012              Dept. No.                                        Max. : 100 Marks

Time : 1:00 – 4:00

PART – A

Answer ALL the questions:                                                                      (10 X 2 = 20 Marks)

1. Find the nth derivative of .
2. Find the slope of the straight line .
3. Write the formula for the radius of curvature in Cartesian form.
4. Define Cartesian equation of the circle of the curvature.
5. If ,are the roots of the equation x3+px2+qx+r=0. Find the value of .
6. Diminish the roots x4+x3-3x2+2x-4 =0 by 2.
7. Evaluate
8. Prove that
9. Define Pole and Polar of a ellipse.
10. In the hyperbola 16x2-9y2 = 144, find the equation of the diameter conjugate to the diameter x =2y.

PART – B

Answer any FIVE questions:                                                                                  (5 X 8 = 40 Marks)

1. Find the nth derivative of .
2. Find the angle between the radius vector and tangent for the curve at

.

1. Solve the equation x3-4x2-3x+18=0 given that two of its roots are equal.
2. Solve the equation x4-5x3+4x2+8x-8=0 given that 1-is a root.
3. Expand in terms .
4. Separate real and imaginary parts .
5. P and Q are extremities of two conjugate diameters of the ellipse and S is a focus. Prove that
6. The asymptotes of a hyperbola are parallel to 2x+3y=0 and 3x-2y =0 . Its centre is at (1,2) and it passes through the point (5,3). Find its equation and its conjugate.

PART – C

Answer any TWO questions:                                                                                         (2 x 20=40 Marks)

1. (a) If , show that

(b) Prove that the sub-tangent at any point on                is constant ant the subnormal is

(10 +10)

1. (a) Find the radius of curvature at any point on the curve

(b) Show that the evolute  of the cycloid   is another

cycloid .                                                                                                                     (10+10)

1. (a) Solve 6x5+11x4-33x3-33x2+11x+6=0.

(b)  Find by Horner’s method, the roots of the equation  which lies between 1 and 2

correct to two decimal places.                                                                                                                             (10+10)

1. (a) Prove that

(b) Prove that the Product of the perpendicular drawn from any point on a hyperbola to its

asymptotes is constant.                                                                                                   (10+10)

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