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List of top Mathematics Questions asked in BITSAT
Consider the following statements in respect of the function
f(x)=x³-1, x∈[-1,1].
I. f(x) is increasing in [-1,1]
II. f(x) has no root in (-1,1).
Which of the statements given above is/are correct?
BITSAT - 2020
BITSAT
Mathematics
Applications of Derivatives
A wire 34 cm long is to be bent in the form of a quadrilateral of which each angle is 90^∘. What is the maximum area which can be enclosed inside the quadrilateral?
BITSAT - 2020
BITSAT
Mathematics
Maxima and Minima
The curve y=xeˣ has minimum value equal to
BITSAT - 2020
BITSAT
Mathematics
Maxima and Minima
Match List I with List II and select the correct answer using the code given below the lists.
List I
• [(A)] f(x)=cos x • [(B)] f(x)=ln x • [(C)] f(x)=x²-5x+4.3 • [(D)] f(x)=eˣ
List II
• [1.] The graph cuts y-axis in infinite number of points • [2.] The graph cuts x-axis in two points • [3.] The graph cuts y-axis in only one point • [4.] The graph cuts x-axis in only one point • [5.] The graph cuts x-axis in infinite number of points
BITSAT - 2020
BITSAT
Mathematics
Application of derivatives
What is the x-coordinate of the point on the curve
f(x)=√(x)(7x-6),
where the tangent is parallel to x-axis?
BITSAT - 2020
BITSAT
Mathematics
Tangents and Normals
The number of points at which the function
f(x)=(1)/(log|x|)
is discontinuous is
BITSAT - 2020
BITSAT
Mathematics
Continuity and differentiability
The set of all values of a for which the function
f(x)=(a²-3a+2)(cos²x-4sin²x/4)+(a-1)x+sin x
does not possess critical points is
BITSAT - 2020
BITSAT
Mathematics
Applications of Derivatives
For any differentiable function y of x,
(d²x)/(dy²)((dy)/(dx))³+(d²y)/(dx²)=
BITSAT - 2020
BITSAT
Mathematics
Application of derivatives
If
f(x)= begincases (xlog(cos x))/(log(1+x²)), & x≠0
0, & x=0 endcases
then f(x) is
BITSAT - 2020
BITSAT
Mathematics
Continuity and differentiability
If the matrix
beginbmatrix 1 & 3 & λ+2
2 & 4 & 8
3 & 5 & 10 endbmatrix
is singular, then λ=
BITSAT - 2020
BITSAT
Mathematics
Properties of Determinants
If [x] denotes the greatest integer ≤ x and
-1≤ x<0, 0≤ y<1, 1≤ z<2,
then the value of the determinant
beginvmatrix [x]+1 & [y] & [z]
[x] & [y]+1 & [z]
[x] & [y] & [z]+1 endvmatrix
is
BITSAT - 2020
BITSAT
Mathematics
Properties of Determinants
Evaluate
(x+\frac1x)²+(x²+\frac1x²)²+(x³+\frac1x³)²
up to n terms is
BITSAT - 2020
BITSAT
Mathematics
Sequence and Series
Let alpha₁,alpha₂ and beta₁,beta₂ be the roots of
ax²+bx+c=0 and px²+qx+r=0
respectively. If the system
alpha₁ y+alpha₂ z=0, beta₁ y+beta₂ z=0
has a non-trivial solution, then
BITSAT - 2020
BITSAT
Mathematics
System of Linear Equations
If z₁=\sqrt3+i\sqrt3 and z₂=\sqrt3+i, then the complex number
((z₁)/(z₂))⁵0
lies in the
BITSAT - 2020
BITSAT
Mathematics
Complex numbers
If log a, log b, log c are in A.P. and also log a-log 2b, log 2b-log 3c, log 3c-log a are in A.P., then
BITSAT - 2020
BITSAT
Mathematics
Sequence and Series
The arithmetic mean of numbers a,b,c,d,e is M. What is the value of
(a-M)+(b-M)+(c-M)+(d-M)+(e-M)?
BITSAT - 2020
BITSAT
Mathematics
Statistics
If
sin⁻1((2a)/(1+a²)) -cos⁻1((1-b²)/(1+b²)) =tan⁻1((2x)/(1-x²)),
then what is the value of x?
BITSAT - 2020
BITSAT
Mathematics
Trigonometry
In a △ ABC, if
(cos A)/(a)=(cos B)/(b)=(cos C)/(c),
and the side a=2, then area of the triangle is:
BITSAT - 2020
BITSAT
Mathematics
Trigonometry
The fourth term of an A.P. is three times the first term and the seventh term exceeds twice the third term by one. Then the common difference of the progression is
BITSAT - 2020
BITSAT
Mathematics
Sequence and Series
The sum to n terms of the series
\frac12+\frac34+\frac78+(15)/(16)+⋯
is
BITSAT - 2020
BITSAT
Mathematics
Sequence and Series
Two finite sets have m and n elements. The number of subsets of the first set is 112 more than that of the second. The values of m and n respectively are:
BITSAT - 2020
BITSAT
Mathematics
sets
Let f(x)=dfracax+b
cx+d, then f∘ f(x)=x, provided that:
BITSAT - 2020
BITSAT
Mathematics
composite of functions
The general solution of the equation
sin 2x + 2sin x + 2cos x +1 =0
is:
BITSAT - 2020
BITSAT
Mathematics
Trigonometry
If sin x=cot(tan x), then sin 2x is equal to:
BITSAT - 2020
BITSAT
Mathematics
Trigonometry
If sintheta₁+sintheta₂+sintheta₃=3, then costheta₁+costheta₂+costheta₃=
BITSAT - 2020
BITSAT
Mathematics
Trigonometry
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