NCERT Solutions for Class 12 Maths Chapter 1 Relations and Functions Exercise 1.1

Jasmine Grover logo

Jasmine Grover

Content Strategy Manager

CBSE CLASS XII Related Questions

1.
Let f: R→R be defined as f(x) = 3x. Choose the correct answer.

    • f is one-one onto
    • f is many-one onto
    • f is one-one but not onto
    • f is neither one-one nor onto

    2.

     If \(\frac{d}{dx}f(x) = 4x^3-\frac{3}{x^4}\) such that \(f(2)=0\), then \(f(x)\) is

      • \(x^4+\frac{1}{x^3}-\frac{129}{8}\)

      • \(x^3+\frac{1}{x^4}+\frac{129}{8}\)

      • \(x^4+\frac{1}{x^3}+\frac{129}{8}\)

      • \(x^3+\frac{1}{x^4}-\frac{129}{8}\)

      3.

      Solve system of linear equations, using matrix method.
       x-y+2z=7
       3x+4y-5z=-5
       2x-y+3z=12

          4.
          Find the inverse of each of the matrices, if it exists. \(\begin{bmatrix} 1 &  3\\ 2 & 7\end{bmatrix}\)

              5.
              Find the inverse of each of the matrices,if it exists. \(\begin{bmatrix} 2 &  3\\ 5 & 7 \end{bmatrix}\)

                  6.
                  Find the vector and the cartesian equations of the lines that pass through the origin and(5,-2,3).

                      CBSE CLASS XII Previous Year Papers

                      Comments



                      No Comments To Show