Classical

Numerical Methods - Numerical Methods MCQ

11:  

The root of x3 - 2x - 5 = 0 correct to three decimal places by using Newton-Raphson method is

A.

2.0946

B.

1.0404

C.

1.7321

D.

0.7011

 
 

Option: A

Explanation :


12:  

 Newton-Raphson method of solution of numerical equation is not preferred when

A.

Graph of A(B) is vertical

B.

Graph of x(y) is not parallel

C.

The graph of f(x) is nearly horizontal-where it crosses the x-axis.

D.

None of these

 
 

Option: C

Explanation :


13:  

 Following are the values of a function y(x) : y(-1) = 5, y(0), y(1) = 8

dy/dx at x = 0 as per Newton's central difference scheme is

A.

0

B.

1.5

C.

2.0

D.

3.0

 
 

Option: B

Explanation :


14:  

A root of the equation x3 - x - 11 = 0 correct to four decimals using bisection method is

A.

2.3737

B.

2.3838

C.

2.3736

D.

None of these

 
 

Option: C

Explanation :


15:  

Newton-Raphson method is applicable to the solution of

A.

Both algebraic and transcendental Equations

B.

Both algebraic and transcendental and also used when the roots are complex

C.

Algebraic equations only

D.

Transcendental equations only

 
 

Option: A

Explanation :




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