# CBSE Answer Key 2021-22: Maths (Term 1) 12th Board Exam 2021-22!

CBSE Answer Key 2021-22 for Term 1 CBSE Maths (Class XIIth) Board exam 202-22 ia available here along with PDF of question paper.

Created On: Dec 17, 2021 18:28 IST
CBSE Answer Key 2021-22: Maths (Term 1) 12th Board Exam 2021-22

CBSE Answer Key 2021-22 for Term 1 CBSE 12th Maths board exam 2021-22 is live now. PDF of CBSE 12th Maths Term 1 board exam 2021-22 question paper is also available here.  The students who appeared for CBSE 12th Maths board exam 2021-22 pointed out that the difficulty level of the CBSE 12th Maths question paper was difficult. One can learn analysis and reviews of CBSE 12th Maths Term 1 board exam 2021-22 from the link given below.

CBSE 12th Maths (Term 1) Question Paper (PDF)

CBSE 12th Maths (Term 1) Question Paper Analysis 2021-22

Disclaimer: This CBSE 12th Maths answer key 2021-22 is for reference purposes and is not final. It is expected that the Official CBSE Class 12 Maths answer key 2021-22 will be published by the board after the declaration of CBSE result.

CBSE Answer Key 2021-22: Maths (Term 1) 12th Board Exam 2021-22

1. Differential of log [log(log x5 )] w.r.t. x is

2. The number of all possible matrices of order 2 x 3 with each entry 1 or 2 is
(a) 16
(b) 6
(c) 64
(d) 24

3. A function f : R → R is defined as f(x) = x3 + 1. Then the function has
(a) no minimum value
(b) no maximum value
(c) both maximum and minimum value
(d) neither maximum value nor minimum value

4. If siny=xcos(a+y), then dx/dy is

5. The points on the curve x2/9 + y2/25 = 1, where tangent is parallel to x-axis are
(a) (±5, 0)
(b) (0, ±5)
(c) (0, ±3)
(d) (±3, 0)

6. Three points P(2x, x + 3), Q(0, x) and R(x + 3, x + 6) are collinear, then x is equal to
(a) 0
(b) 2
(c) 3
(d) 1

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