Students can find Bihar Board 12th Maths Question with Answers for the 1 February exam from below.

Q. 2 tan^(-1)1⁄2=

A. tan^(-1)4⁄3

Q. Two events A and B are independent if

A.P(A∩B)=P(A)+P(B)

Q. If P(A)= 1⁄2, P(B)=0 then P(A⁄B)=

A. Not Defined

Q. If A and B are independent and P(A)=1⁄2, P(A∪B)=3⁄5 and P(B)=p then the value of p is

A. 1⁄5

Q. [x y]=[2x-1 7]→

A. x=1 y=7

Q. If square matrix A is such that 3A^{2}+2A^{2}+5A+I then A^{-1} is equal to

A. -3A^{2}-2A-5I

Q. If x=1⁄5, Then cos(cos^(-1)x+2 sin^(-1)x) is

A. -1⁄5

Q. The direction ratios of the normal to the plane 3x+4y=5z-6=0 are

A. 3,4,5

Q. which of the following planes is parallel to the plane x=0?

A. z=5

Q. Equation of a plane parallel to the plane 2x-3y+4z=7 is

A. 2x-3y+4z=11

Q. If the direction cosines of a straight line are 3⁄√77,-2⁄√77,x then the value of x is

A. 8⁄√77

Q. Equation of a plane perpendicular to the plane 4x+3y-z+1=0 is

A. x-5y-11z+7=0

Q. (d )/dx (e^13x )=

A. 13e^13x

Q. (d )/dx (sinx⁄5 )=

A. 1⁄5 cosx⁄5

Q. (d )/dx (cos2x )=

A.-2 sin2x

Q. (d )/dx (tanx⁄3 )=

A. 1⁄(3 ) sec^2x⁄3

Q. (d )/dx (x^4⁄4)=

A. x^3

Q. (d )/dx (logx^4 )=

A. 4⁄x

Q. (d )/dθ (sin^2θ )=

A. sin2θ

Q. (d )/dθ (cos^3θ )=

A. -3cos^2θ sin^2θ

Q. (d )/dx (tan^2x )=

A. 2tanx sec^2x

Q. ∫x^(3⁄2) dx=

A. 2⁄3 x^(3⁄2)+k

Q. The direction cosines of a line having direction ratios 2, -1, -2 are

A. 2⁄3,-1⁄3,-2⁄3

Q. The direction cosines of a line having direction ratios 2, -1, -2 are

A. 2⁄3,-1⁄3,-2⁄3

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### Bihar Board Intermediate Maths Answer Key 2022 Dates

If there is a problem with the Bihar Board 12th answer key 2022, students can file a complaint. The last deadline to raise an objection to the BSEB 12th answer key 2022 is also notified along with the release. Continue reading to find out how to get the Bihar Board Class 12 answer key 2022 and what grades you can expect. Students can view the expected dates of events relating to the BSEB 12th answer key 2022 in the table below.

Events | Tentative Dates |

Exams | February 1 to 14, 2022 |

Inter answer key date | March 14, 2022 (Tentative) |

Last date for objection | March 17, 2022 (Tentative) |

Result date | Last week of March 2022 |

## How to Download the Bihar Board 12th Maths Answer Key 2022?

To obtain access to the BSEB 12th Maths answer key 2022, follow the instructions outlined below.

- The official website is http://www.objection.biharboardonline.com.
- On the home page, select ‘Higher Secondary [Inter]’.
- Now, fill in the roll code and roll number in the appropriate fields.
- After that, click the ‘Submit’ button.
- On the screen will appear the dashboard for the Bihar Board 12th answer key 2022.
- From the drop-down menu, select a Maths subject, and the BSEB 12th answer key 2022 file for that Maths subject will display.
- The Bihar Board intermediate Maths solution key 2022 can be seen and downloaded in PDF or JPG format.

## How to Raise an Objection in the Bihar Board 12th Maths Answer Key 2022?

Any student who detects a problem in the BSEB intermediate answer key 2022 will be able to object. This can be done by going to the official website. Follow the steps below to make an objection.

- To obtain the BSEB 12th answer key 2022, click the link above, which will take you to the student dashboard page.
- Scroll down to the topic name, which is followed by a list of Bihar Board class 12 Maths answer key 2022.
- Then select a question number and a problem type from the drop-down menus.
- Additionally, choose the correct answer and explain why it is accurate.
- Then, to file an objection, click the save button.

## About Bihar Board

The Bihar School Examination Board was constituted as a statutory board by the State Education Department. It was established under Section 3 of the Bihar School Examination Act of 1952 and is regulated by the state of Bihar. BSEB is a frequent abbreviation for this condition. Patna, India, is the company’s headquarters. The Bihar Board employs approximately 700 individuals. The Chairman of the BSEB is Anan Kishore, IAS, while the Secretary is Anup Kumar Sinha. The official languages of the board are Hindi and English. The board administers exams for Secondary (Class 10) and Senior Secondary (Class 12) candidates. It gives services to both private and public schools in Bihar. The curriculum for various schools is determined by the Bihar government. The BSEB oversees departmental exams in addition to secondary and senior secondary school exams.

## FAQs on Bihar Board 12th Answer Key 2022 for Maths

**Is it possible for me to file a complaint about the objection in question?**To apply for the objection in question, select ‘Question is wrong’ from the ‘problem type’ drop-down menu.

**How much does it cost to object to the Bihar board intermediate answer key 2022?**In the BSEB 12th answer key 2022, there is no charge for filing an objection.

**How can I get the BSEB 12th answer key for all topics in 2022?** Only the topics for which they appeared are available for download in the Bihar board 12th answer key 2022.