Home Maths JEE - Advanced Previous Year Paper JEE-Advanced-2020-Paper-2 SECTION 2 (Maximum Marks: 24) • This section…
Maths JEE - Advanced Previous Year Paper JEE-Advanced-2020-Paper-2 Single Correct MCQ
Published on: August 14, 2026

SECTION 2 (Maximum Marks: 24)

• This section contains SIX (06) questions.

• The answer has FOUR options. ONE OR MORE THAN ONE of these four option(s) is(are) correct answer (s).

• For each question, choose the option(s) corresponding to (all)the answer(s).

• Answer to each question will be evaluated according to the following marking scheme:

Full marks : +4 If only (all) the correct option(s) is(are) chosen;

Partial Marks : +3 If all the four options are correct but ONLY three options are chosen;

Partial Marks : +2 If three or more options are correct but ONLY two options are chosen, both

of which are correct;

Partial Marks : +1 If two or more options are correct but ONLY one option is chosen and it is a

correct option;

Zero Marks : 0 If none of the options is chosen (i.e. the question is unanswered);

Negative Marks:-2 In all other cases.

Let b be a nonzero real number. Suppose f L R R is a differentiable function such that f(0) = 1. If the derivative f’ of f satisfies the equation

for all x R, then which of the following statements is/are TRUE?

A
If b > 0, then f is an increasing function
B
If b < 0, then f is a decreasing function
C
f(x) f(-x) = 1 for all x R
D
f(x) - f(-x) = 0 for all x R

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Text Solution

Verified by Experts
The correct answer is:
CHECK THE SOLUTION.

(a, c)

As

f(x). f(-x) = 1, Also f(x) is increasing .

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