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# How to subtract one matrix from another? to subtract corresponding elements

I

If elements of two lines are proportional, then a determinant: is equal to zero

If all elements of one line of a determinant are equal to zero, then the determinant is equal to zero

If in any point function is not continuous, then the point is: a break point of function

In what point the straight line crosses an axis ? (3;0)

If to change places of lines in a determinant, then:value of a determinant will change the sign

If - a minor of a determinant of an element , then cofactor of this element is equal:

If function has inclined asymptote , then coefficients and are calculated by the formulas:

L

Lengths of vectors are given, an angle between also is equal . Find the scalar product =1

M

Matrix is given. Find .

Matrix is given. Find the transposed matrix .

P

Points and are given. Find coordinates of a vector .

Points and are given. Define length of a vector .

Points and are given. Find coordinates of a vector . (–8;8)

Points and are given. Find coordinates of a midpoint of segment . (1;5)

S

Solve system of the equations , using Kramer's formulas. Find .

Solve system of the equations . Find .

Scalar product of vectors and is equal:

Scalar product of vectors and is equal to zero, when:

Solve the system of equations: . Find =1

System of the linear equations is combined, if it:has at least one decision

Solve the differential equation .

T

The determinant of a matrix is a number, equal to:

The length of a vector is calculated by the formula:

The minor is the determinant, received by deletion i-th line and j-th column

The determinant is given. Find a cofactor for an element .

Two straight lines and are parallel, if:

The equation of a straight line is given. Find angular coefficient and a segment, cutting an axis .

The linear-fractional function is given . =1

The volume of the solid of rotation, formed at rotation around of an axis of a curvilinear trapezoid, limited by lines , is calculated by the formula:

The volume of the solid of rotation, formed at rotation around of an axis of a curvilinear trapezoid, limited by lines , is calculated by the formula:

V

Vectors and are given. Find coordinates of a vector . (-4;14)

Vectors and are given. Define coordinates of a vector : (-7; -16; 21)

Vectors and are given. Find coordinates of a vector . (–2;–16)

W

What matrix is the unitary matrix? matrix Å, satisfying to a condition , where A-any matrix

Write the equation of the straight line, which is passing through points and .

Write the equation of a straight line with angular coefficient and passing through a point .

What of following functions is even function?

Write the equation of a straight line with the angular factor , passing through a point .

Write the equation of the straight line, which is passing through two points and .

What is the order of the differential equation?the order of the higher derivative

Date: 2015-01-12; view: 736

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