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$$$1. Calculate the determinant : 2 страница



$

 

$$$76. Given a point . Find the coordinates of the point С, делящей отрезок АВ with respect to

$$

$

$

$

 

$$$77. Determine the distance between two lines: and

$$

$

$ 2

$ 5

 

$$$78. Find , if .

$$

$

$

$

 

$$$79. Find , if .

$$

$ 6

$

$ 16

 

$$$80. Force is applied to the point . Determine the moment of force about a point .

$$

$

$

$

 

$$$81. Show the condition of parallelism of lines:

$$

$

$

$

 

$$$82. Given that two points . Find the coordinates of the mid-point АВ.

$$

$

$

$

 

$$$83. Write an equation of the line that passes through the point and has slope .

$$

$

$

$

 

$$$84. Find the vector with given coordinates of head and tail and .

$$

$

$

$

 

$$$85. Find the distance from the point to the point .

$$

$

$ 5

$ 0

$$$86. The rank of the matrix of the system equations equal to

$$ 2

$ 1

$ 0

$ 3

$$$87. The integrals with infinite limits is:

$$ improper integral

$ indefinite integral

$ integral sum

$ proper integral

$$$88. The rank of the augmented matrix for the system is equal to:

$$ 3

$ 2

$ 0

$ 1

$$$89. To bring the integral to the tabulated integral, the replacement must be done.

$$

$

$

$

$$$90. Given that formula ...is called

$$ Newton-Leibniz formula.

$ Kroneccker-Capelli formula.

$ integrating by parts.

$ substitution of a variable.

 

$$$91. The triple product of the vectors is equal to

$$ 1

$ 3

$ 0

$ -1

 

$$$92. The triple product of the vectors :

$$ 3

$ 0

$ 5

$ 1

 

$$$93. Set, where the function is convex, has the form:

 

$$

$

$

$

 

$$$94. Canonical equation of a hyperbola with the semi-transverse axis Ox is

$$

$

$

$

 

$$$95. Determine the intervals of decrease for function:

$$

$

$

$

 

$$$96. Find the integral:

$$

$

$

$

 

 

$$$97. Given that

$$

$

$

$

$$$98. If the functions and are differentiable, then

$$

$

$

$

 

$$$99. Calculate the integral:

$$

$

$

$

 

$$$100. The canonical equation of elliptical paraboloid is:

$$

$

$

$

 

$$$101. Find the intersection point of the line and the plane :

$$

$

$

$

$$$102. Find the limit:

$$ 2

$

$ 1

$

 

$$$103. Find the second derivative of the function .

$$

$ cosx

$ cos2x

$ 2cosx

 

$$$104. Given that , . Find the coordinates of the mid-point АВ.

$$

$

$

$

 

$$$105.The two vectors and will be collinear, if the condition is:

$$

$

$

$

 

$$$106. Given the two vectors and . At what «m» and «k», these vectors are collinear:

$$

$

$

$

 

$$$107. Find the area of ​​the parallelogram constructed on vectors , if and corner between the vectors .

$$

$40

$20

$-6

 

$$$108. At what «k» vectors and are orthogonal?

$$ -3

$ 7

$ 5

$ 2

 

$$$109. Find the cosine of the angle between vectors .

$$0

$1

$-1

$1/2

 

$$$110. The rank of a matrix is equal to zero if and only if:

$$ all elements of matrix equal to zero

$ identity matrix

$ invertible matrix

$ matrix contains a null string

 

$$$111. Which of the following lines will be parallel?

1) ; 2) 3) ; 4) .

$$ 1 и 2

$ 1 и 3

$ 2 и 3

$ 2 и 4

 

$$$112. Which of the following planes pass through the origin of coordinates?

1) ; 2) ; 3) ; 4) ?

$$ 2

$1

$ 1 и 4

$ 2 и 3

 

$$$113. The volume of a pyramid, constructed on the vectors is equal

$$

$

$

$

 

$$$114. If , is the point of discontinuity … of function .

$$ first type

$ second type

$ extreme point

$ continuity

 

$$$115. If n1 and n2 – normal vectors of 2-planes, than condition of perpendicularity of the planes has the form:

$$

$

$

$

 

$$$116. A whole of definite, distinct objects gathered together according to some criterion, are called…

$$ set

$ object

$ number

$ subset

 

$$$117. Find the coordinates of the center of the circle:

$$

$

$

$

 

$$$118. Find semi-axis of the ellipse

$$ 3 и 2

$ 2 и 3



$ 2 и 6

$ 6 и 3

 

$$$119. Find semi-axis of the hyperbola

$$ 1 и 3

$ 3 и 0

$ 0 и 3

$ 1 и 1

 

$$$120. Find the distance between two points and .

$$

$ 0

$ -1

$

 

$$$121. Find the coordinates of the projection of on plane ОХУ.

$$

$

$

$

 

$$$122. If a plane parallel to the plane УОZ, than general equation of the plane has the form:

$$

$

$

$

 

$$$123. The slope of the line is equal to

$$ 5

$ -5

$ 3

$ -1

 

$$$124. Find y-intercept of the line .

$$ 5

$ 1

$ -2

$ -5

 

$$$125. Given that . Determine the coordinates .

$$

$

$

$

 

$$$126. A basis is …

$$ a set of linearly independent vectors that can represent every vector.

$ a set of linearly dependent vectors that can represent every vector.

$ a set of vectors that can represent every vector.

$ a linearly dependent vectors.

 

$$$127. The length of the interval between the base of the perpendiculars from points A and B on the axis L is

$$ projection of the vector а, on the axis L.

$ basis vectors.

$ corner.

$ distance.

 

$$$128. Vectors are … if they lie in the same plane or in parallel planes

$$ complanar

$ intersected

$ equal

$ perpendicular

 

$$$129. If there exists a number such that all values ​​fall within the interval , then the variable is called

$$ bounded

$ constant

$ even

$ monotonous

 

$$$130. Linear operations on vectors are:

$$ addition, subtraction, multiply by a number

$ addition, subtraction, division

$ addition, division

$ subtraction, division, multiply by a number

 

$$$131. Find the coordinates of diagonals of the parallelogram which is resultant of two vectors

$$

$

$

$

 

$$$132. The ratio of half the distance between the foci of the ellipse semi-major axis is:

$$ an eccentricity

$ a focus

$ a directrixs

$ an asymptote

 

$$$133. Find the distance from the point to the plane

$$

$

$

$

 

$$$134. Write an equation of the plane which have a normal vector and passing through the point :

$$

$

$

$

 

$$$135. The condition for two planes and to be perpendicular is:

$$

$

$

$

 

$$$136. The condition for two planes and to be parallel is:

$$

$

$

$

 

$$$137. The three-intercept equation of a plane is

$$

$

$

$

 

$$$138. Find the distance from the point to the plane :

$$

$

$

$

 

$$$139. Find the limit: .


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