726 |
The minimum value of the expression where are real numbers satisfying is a) Positive b) Zero c) Negative d) –3
The minimum value of the expression where are real numbers satisfying is a) Positive b) Zero c) Negative d) –3
|
IIT 1995 |
|
727 |
Consider the lines ; The distance of the point (1, 1, 1) from the plane through the point (−1, −2, −1) and whose normal is perpendicular to both lines L1 and L2 is a) b) c) d)
Consider the lines ; The distance of the point (1, 1, 1) from the plane through the point (−1, −2, −1) and whose normal is perpendicular to both lines L1 and L2 is a) b) c) d)
|
IIT 2008 |
|
728 |
A curve passes through and the tangent at cuts the X-axis and Y-axis at A and B respectively such that then a) Equation of the curve is b) Normal at is c) Curve passes through d) Equation of the curve is
|
IIT 2006 |
|
729 |
Let y = f (x) be a curve passing through (1, 1) such that the triangle formed by the coordinate axes and the tangent at any point of the curve lies in the first quadrant and has area 2. Find the differential equation and determine all such possible curves.
Let y = f (x) be a curve passing through (1, 1) such that the triangle formed by the coordinate axes and the tangent at any point of the curve lies in the first quadrant and has area 2. Find the differential equation and determine all such possible curves.
|
IIT 1995 |
|
730 |
A curve passes through and slope at the point is . Find the equation of the curve and the area between the curve and the X-axis in the fourth quadrant.
A curve passes through and slope at the point is . Find the equation of the curve and the area between the curve and the X-axis in the fourth quadrant.
|
IIT 2004 |
|
731 |
Cosine of angle of intersection of curve y = 3x – 1lnx and y = xx – 1 is
Cosine of angle of intersection of curve y = 3x – 1lnx and y = xx – 1 is
|
IIT 2006 |
|
732 |
For the primitive differential equation then is a) 3 b) 5 c) 1 d) 2
For the primitive differential equation then is a) 3 b) 5 c) 1 d) 2
|
IIT 2005 |
|
733 |
Let A and B be square matrices of equal degree, then which one is correct amongst the following a) A + B = B + A b) A + B = A – B c) A – B = B – A d) AB = BA
Let A and B be square matrices of equal degree, then which one is correct amongst the following a) A + B = B + A b) A + B = A – B c) A – B = B – A d) AB = BA
|
IIT 1995 |
|
734 |
If P = , A = and Q = PAPT then PT (Q2005) P is equal to a) b) c) d)
If P = , A = and Q = PAPT then PT (Q2005) P is equal to a) b) c) d)
|
IIT 2005 |
|
735 |
Show that the system of equations 3x – y + 4z = 3 x + 2y − 3z = −2 6x + 5y + λz = −3 has at least one solution for any real number λ ≠ −5. Find the set of solutions if λ = −5 a) b) c) d)
Show that the system of equations 3x – y + 4z = 3 x + 2y − 3z = −2 6x + 5y + λz = −3 has at least one solution for any real number λ ≠ −5. Find the set of solutions if λ = −5 a) b) c) d)
|
IIT 1983 |
|
736 |
Let f(x) be defined for all x > 0 and be continuous. If f(x) satisfies for all x, y and f(e)=1 then a) f(x) is bounded b) c) x f(x) → 1 as x → 0 d) f(x) = lnx
Let f(x) be defined for all x > 0 and be continuous. If f(x) satisfies for all x, y and f(e)=1 then a) f(x) is bounded b) c) x f(x) → 1 as x → 0 d) f(x) = lnx
|
IIT 1995 |
|
737 |
The number of values of x where the function attains its maximum is a) 0 b) 1 c) 2 d) infinite
The number of values of x where the function attains its maximum is a) 0 b) 1 c) 2 d) infinite
|
IIT 1998 |
|
738 |
The domain of the definition of the function y given by the equation is a) 0 < x < 1 b) 0 ≤ x ≤ 1 c) ∞ < x ≤ 0 d) ∞ < x ≤ 1
The domain of the definition of the function y given by the equation is a) 0 < x < 1 b) 0 ≤ x ≤ 1 c) ∞ < x ≤ 0 d) ∞ < x ≤ 1
|
IIT 2000 |
|
739 |
Let f(x) = , x ≠ then for what value of α, f(f(x)) = x a) b) c) d)
Let f(x) = , x ≠ then for what value of α, f(f(x)) = x a) b) c) d)
|
IIT 2001 |
|
740 |
If and then f is a) One-one and onto b) One-one but not onto c) Onto but not one-one d) Neither one-one nor onto
If and then f is a) One-one and onto b) One-one but not onto c) Onto but not one-one d) Neither one-one nor onto
|
IIT 2003 |
|
741 |
If and Then f – g is a) Neither one to one nor onto b) One to one and onto c) One to one and into d) Many one and onto
If and Then f – g is a) Neither one to one nor onto b) One to one and onto c) One to one and into d) Many one and onto
|
IIT 2005 |
|
742 |
Subjective Problems Let f (x + y) = f (x) . f (y) for all x, y. Suppose f (5) = 2 and = 3. Find f (5).
Subjective Problems Let f (x + y) = f (x) . f (y) for all x, y. Suppose f (5) = 2 and = 3. Find f (5).
|
IIT 1981 |
|
743 |
Find the natural number a for which where the function f satisfies the relation f(x + y) = f(x) f(y) for all natural numbers x and y and further f(1) = 2.
Find the natural number a for which where the function f satisfies the relation f(x + y) = f(x) f(y) for all natural numbers x and y and further f(1) = 2.
|
IIT 1992 |
|
744 |
If where a > 0 and n is a positive integer then f(f(x)) = x. a) True b) False
If where a > 0 and n is a positive integer then f(f(x)) = x. a) True b) False
|
IIT 1983 |
|
745 |
The domain of the function is
The domain of the function is
|
IIT 1984 |
|
746 |
If f is an even function defined on (−5, 5) then the four real values of x satisfying the equation are
If f is an even function defined on (−5, 5) then the four real values of x satisfying the equation are
|
IIT 1996 |
|
747 |
Let , 0 < x < 2 are integers m ≠ 0, n > 0 and let p be the left hand derivative of |x − 1| at x = 1. If , then a) n = −1, m = 1 b) n = 1, m = −1 c) n = 2, m = 2 d) n > 2, n = m
Let , 0 < x < 2 are integers m ≠ 0, n > 0 and let p be the left hand derivative of |x − 1| at x = 1. If , then a) n = −1, m = 1 b) n = 1, m = −1 c) n = 2, m = 2 d) n > 2, n = m
|
IIT 2008 |
|
748 |
The area of the equilateral triangle which contains three coins of unit radius is a) square units b) square units c) square units d) square units
The area of the equilateral triangle which contains three coins of unit radius is a) square units b) square units c) square units d) square units
|
IIT 2005 |
|
749 |
a) True b) False
a) True b) False
|
IIT 1982 |
|
750 |
a) True b) False
a) True b) False
|
IIT 2004 |
|