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Class XII Maths Limits and Differentiation 4
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Question 1
Let the function f, g and h be defined as follows
h(x) = |x|3 for –1 ≤ x ≤ 1.
Which of these functions are differentiable at x = 0?
h(x) = |x|3 for –1 ≤ x ≤ 1.
Which of these functions are differentiable at x = 0?
Question 2
The number of points at which the function f(x) = max. {a – x, a + x, b}, – ∞ < x < ∞, 0 < a < b cannot be differentiable is
Question 3
If f(x) is differentiable everywhere, then
Question 4
A function f defined as f(x) = x[x] for –1 ≤ x ≤ 3 where [x] defines the greatest integer ≤ x is
Question 5
If f(x) = is differentiable at x = 0 then
(where k is an integer)
(where k is an integer)
Question 6
The derivative of f(tan x) w.r.t. g(sec x) at x = , where f'(1) and g' () = 4, is-
Question 7
Let f(x) is a function differentiable at x = c, then equals
Question 8
Suppose φ(.) is a differentiable function. If φ(x + y) = φ(x) φ(y) for all real x and y and φ (5) = 2, φ ′(0) = 3, then φ ′(5) is
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May 14JEE & BITSAT