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Om Margaj
Subject: Maths
, asked on 16/5/20
Find the x coordinates of all points on the curve y=sin2x-2sinx,0≤x<2π where dy/dx=0
Answer
2
Champ Jee
Subject: Maths
, asked on 24/3/20
Part P .
Ans:1 getting 2
Answer
1
Anup Kulkarni
Subject: Maths
, asked on 11/12/19
This q pls
Answer
1
Shruti Rajdhar
Subject: Maths
, asked on 11/12/19
Plz help me solve this problem
Answer
1
Ashish Singh
Subject: Maths
, asked on 23/7/19
Plz help me in this question
Q. For
x
> 1,
y
= log
x
satisfies the inequality.
(A)
x
− 1 >
y
(B)
x
2
(C)
y
>
x
− 1
(D)
x
-
1
x
<
y
Answer
1
Aaditya Vijay
Subject: Maths
, asked on 30/6/19
Please help me answer the question
A physical quantity A is related to four observable
a
,
b
,
c
and
d
as follows,
A
=
a
2
b
3
c
d
, the percentage errors of measurement in
a
,
b
,
c
and
d
are 1 percent, 3 percent, 2 percent and 2 percent respectively. The maximum error in the quantity A is
Answer
1
Paras Panchal
Subject: Maths
, asked on 29/6/19
Solve 87 plzz
87. An isosceles triangle of vertical angle 2
θ
is inscribed in a circle of radius a. Then area of the triangle is maximum when
θ
=
(a)
π
6
(b)
π
4
(c)
π
3
(d)
π
2
Answer
1
Paras Panchal
Subject: Maths
, asked on 29/6/19
Solve 85 plzz
85. The function f(x) =
∫
–
1
x
t
e
t
–
1
t
-
1
t
-
2
3
t
-
3
5
dt local minimum at
x
=
(a) 0
(b) 1
(c) 2
(c) 3
Answer
1
Paras Panchal
Subject: Maths
, asked on 28/6/19
Solve 74 plzz
74. Let
f
(x) = (1 + b
2
) x
2
+ 2bx + 1 and m (b) the minimum value of f(x) for a given b. As b varies, the range of m (b) is
(a) [0, 1]
(b)
(
0
,
1
/
2
]
(c)
1
2
,
1
(d) (0,1]
Answer
1
Paras Panchal
Subject: Maths
, asked on 27/6/19
Solve 33 plzz
Answer
1
Paras Panchal
Subject: Maths
, asked on 27/6/19
Solve 24 plzz
24. If the polynomial equation
a
n
x
n
+
a
n
– 1
x
n
– 1
+ ... +
a
2
x
2
+
a
1
x
+
a
0
= 0,
n
positive integer, has two different real roots α and β, then between α and β, the equation
na
n
x
n
– 1
+ (
n
– 1)
a
n
– 1
x
n
– 2
+ ... +
a
1
= has
(a) exactly one root
(b) almost one root
(c) atleast one root
(d) no root
Answer
1
Paras Panchal
Subject: Maths
, asked on 27/6/19
If the tangent at each point of the curve
y
=
2
3
x
3
-
2
a
x
2
+
2
x
+
5
makes an acute angle with the positive direction of x-axis, then
a
≥
1
a
≤
-1
-1
≤
a
≤
1
none of these
Answer
1
Paras Panchal
Subject: Maths
, asked on 27/6/19
Solve 15 plzz
Answer
1
Mugdha Mahendra Tadwalkar
Subject: Maths
, asked on 15/6/19
f(x) =
x
2
-
4
is
decreasing
in
1
)
(
-
2
,
2
)
2
)
(
2
,
∞
)
3
)
(
-
∞
,
-
2
)
4
)
(
-
∞
,
∞
)
Answer
1
Amogh Pullyadath
Subject: Maths
, asked on 1/3/19
Pls answer Q28....
Answer
1
1
2
3
4
5
Next
What are you looking for?
Ans:1 getting 2
Q. For x > 1, y = log x satisfies the inequality.
(A) x − 1 > y
(B) x2
(C) y > x − 1
(D)
A physical quantity A is related to four observable a, b, c and d as follows, , the percentage errors of measurement in a, b, c and d are 1 percent, 3 percent, 2 percent and 2 percent respectively. The maximum error in the quantity A is
87. An isosceles triangle of vertical angle 2 is inscribed in a circle of radius a. Then area of the triangle is maximum when =
(a)
(b)
(c)
(d)
85. The function f(x) = dt local minimum at x =
(a) 0
(b) 1
(c) 2
(c) 3
74. Let f(x) = (1 + b2) x2 + 2bx + 1 and m (b) the minimum value of f(x) for a given b. As b varies, the range of m (b) is
(a) [0, 1]
(b)
(c)
(d) (0,1]
24. If the polynomial equation
anxn + an – 1 xn – 1 + ... + a2x2 + a1x + a0 = 0, n positive integer, has two different real roots α and β, then between α and β, the equation
nanxn – 1 + (n – 1)an – 1 xn – 2 + ... + a1 = has
(a) exactly one root
(b) almost one root
(c) atleast one root
(d) no root
makes an acute angle with the positive direction of x-axis, then