Page 159 - DMTH201_Basic Mathematics-1

Basic Mathematics – I

Notes 9. A person standing at the junction (crossing) of two straight paths represented by the
equations 2x 3y + 4 = 0 and 3x + 4y 5 = 0 wants to reach the path whose equation is
6x 7y + 8 = 0 in the least time. Find equation of the path that he should follow.

Answers: Self Assessment

1. Supplementary 2. Slope
3. Equal 4. Positive
5. Negative reciprocal 6. (a)
7. (a) 8. (c)

9. (a) 10. (a)

5.10 Further Readings

Books D.C. Sanchethi and V.K. Kapoor, Business Mathematics.
Husch, Lawrence S. Visual Calculus, University of Tennessee, 2001.
R.S. Bhardwaj, Mathematics for Economics and Business, Excel Books, New Delhi,
2005.
Sivayya and Sathya Rao, An Introduction to Business Mathematics.
Smith and Minton. Calculus Early Trancendental, Third Edition. McGraw Hill.2008

Online links http://www.tpub.com/math2/2.html
www.ehow.com
www.mathopenry.com

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