WBUT 2012 NUMERICAL METHODS [M(CS)-401] Question Paper

CS/B.TECH(New)/(APM/CSE/IT/AUE/CHE/BT/ME/PE/CE/CT/LT/TT/FT)/SEM-4/M(CS)-401/2012

2012

NUMERICAL METHODS

Time Allotted : 3 Hours                                    Full Marks : 70

The figures in the margin indicate full marks.

Candidates are required to give their answers in their own words

as far as practicable.

GROUP – A

(Multiple Choice Type Question)

1.       Choose the correct alternatives for any ten of the following:
                                                                                               10 x 1 = 10

          i)        If  53  is approximated to 1.6667, then the absolute error is

                   a)       0.000033                       b)       0.000043

                   c)       0.000034                       d)       none of these.      

          ii)       If fx=  1x2  then the divided difference f(a, b)  is

                   a)       (a+b)(ab)2                               b)       (a-b)(ab)2

                   c)       1a2-1b2                           d)       1a2-b2

          iii)      The value of  ∆2E  (x3)  is

                   a)       x                                      b)       6x

                    c)       3x                                    d)       x2