EnglishRajasthan TGT 2016
Q241.If the function f(x) = min {x, x2 }, then f(x) is
Correct answer: continuous ∀x∈R
EnglishRajasthan TGT 2016
Q242.If f∈IR [a, b], consider the following statements:
Correct answer: both
EnglishRajasthan TGT 2015
Q243.2x x lim 1 x →∞ + is equal to
Correct answer: 2 1 e
EnglishRajasthan TGT 2015
Q244.The function f is defined as At x 1 = 2 ax b, x 1 f(x) 1 x 1 x − < = − − ≥ is differentiable then the value of a and b are-
Correct answer: a = 1/2, b = 3/2
EnglishUP TGT-2016 (08-03-2019) Rajasthan TGT 2013
Q245.(((()))) (((()))) 2 1 d tan cos x dx − is equal to
Correct answer: 3 -2 x
EnglishUP TGT-2016 (08-03-2019)
Q246.y a y a y lim sin tan 2 2a → − π is equal to
Correct answer: a − π
EnglishUP TGT-2016 (08-03-2019)
Q247.1 x 1 1 x lim cos x − → − is equal to
Correct answer: 0
EnglishUP TGT-2016 (08-03-2019)
Q248.n 1 n 1 lim 1 2n + →∞ − is equal to
Correct answer: 1/ e
EnglishUP TGT-2016 (08-03-2019)
Q249.The derivative of the function y =3|x|+1 at the point x=0 is
Correct answer: not existing
EnglishUP TGT-2016 (08-03-2019)
Q250.If 2 x 3x 2 f(x),x 2 x 2x − + = ≠ − is defined and function f(x) be continuous at x=2, then the value of f(2) is
Correct answer: 1/2
EnglishNVS PGT 10-06-2019
Q251.Let f(x) be a continuous function defined for all x>0 that satisfy f(x/y)= f(x)–f(y) for all x, y and f(e)=1. Then:
Correct answer: f(x) = log x
EnglishNVS PGT 10-06-2019
Q252.(((()))) 2 x 0 sin cos x lim x → π equals:
Correct answer: π
EnglishKVS PGT 23-12-2018
Q253.Let f:[1, [ [2, [ ∞ → ∞ ∞ → ∞ ∞ → ∞ ∞ → ∞ be a differentiable function such that f '(2) 4 =. If x 3 1 6 f(t)dt 3xf(x) x 5, x 1 = − − ∀ ≥ = − − ∀ ≥ = − − ∀ ≥ = − − ∀ ≥ ∫ ∫ then the value f(2) of is:
Correct answer: 4
EnglishKVS PGT 23-12-2018
Q254.If y y log x, = then dy dx is equal to:
Correct answer: () 1 x 1 log y +
EnglishUP PGT-2016 (02-02-2019)
Q255.(()) (()) 5 7 x 0 x 1 1 lim x 1 1 → + − is equal to
Correct answer: 5/7
EnglishUP PGT-2016 (02-02-2019)
Q256.Number of points, where the function 2 f(x) | x 3 | | x 4 | = + + − = + + − = + + − = + + − is not differentiable, is
Correct answer: 3
EnglishUP PGT-2016 (02-02-2019)
Q257.If ((())) 2 f x 4 x, = − = − then x 1 f(1) f(x) lim x 1 → − is equal to
Correct answer: 1/3
EnglishUP PGT-2016 (02-02-2019)
Q258.If 1 1 x 1 x 1 y sec sin, x 1 x 1 − − + − = + − + then value of dy dx at x=2 is
Correct answer: 0
EnglishUP PGT-2016 (02-02-2019)
Q259.If xy = 1, then 4 4 dy dy 1 y 1 x + + + is equal to
Correct answer: 0
EnglishUP PGT-2016 (02-02-2019) Rajasthan TGT 2015
Q260.If (((()))) 2 3 1 2 2 3a x x y tan, a a 3x − − − − = − then dy dx is equal to
Correct answer: 2 2 3a x a +