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Monday, 29 July 2024

If y=x√x, then find dy/dx.


 

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Labels: Differentiation

Sunday, 28 July 2024

Find the matrix of the minors of the elements of a matrix A=[(1 3 2),(4 1 2),(2 2 5)].



 

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Labels: Matrices

Saturday, 13 July 2024

If the matrix A=[(2,3),(5, -2)], then show that A^-1=(1/19)A. [ISC2004]









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Labels: Matrices

Sunday, 7 July 2024

Some important definitions regarding matrices.




 

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Labels: Matrices
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Check whether 7+3x is a factor of 3x^3+7x ? [ncert]

                               Now take 7+3x=0 =>3x= -7 => x= -7/3 => If p(x)=3x^3+7x , then, => p(-7/3) = 3(-7/3)^3+7(-7/3) =...

  • Find the values of p and q for which the following system of equations has infinite number of solutions: 2x + 3y = 7 , (p + q) * x + (2p - q) * y = 21 [cbse 10th 2001]
     
  • Rules for solving Inequations
    Rules for Solving a Linear Inequality <, >, ≤ and ≥ are known as signs or an inequality. Rule 1 If a positive number is added to both ...
  • Area of a triangle in terms of determinant.
     

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