Bihar Board 12th Mathematics Question Papers 2022 : Bseb Math Class 12 Question paper 2022 is released by Bihar School Education Board (BSEB). The Phyics Question Paper question papers are in pdf form. Students preparing for Inter exams must practice previous year question papers or past papers to get an idea of questions to be asked. […]

# Math Class 12

## 12th Math Chapter 2 Subjective in Hindi

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## 12th Math Chapter 1 Subjective in Hindi

सम्बन्ध एवं फलन Subjective प्रश्न 1. सिद्ध कीजिए कि वास्तविक संख्याओं के समुच्चय R में R = { (a, b) : a ≤ b2}, द्वारा परिभाषित सम्बन्ध R, न तो स्वतुल्य है, न सममित है और न ही संक्रामक है। उत्तर : माना A = वास्तविक संख्याओं का समुच्चय है और R = { (a, […]

## 12th Math Chapter 1 Subjective in English

Relations and Functions Subjective Define universal relation? Give example. Ans: A Relation R in a set A called universal relation if each element of A is related to every element of A. Ex. Let = {2,3,4}R = (AA) = {(2,2),(2,3) (2,4) (3,2) (3,3) (3,4) (4,2) (4,3) (4,4) } What is trivial relation? Ans: Both the empty relation […]

## 12th Math chapter 2 objective in english

Inverse Trigonometric Functions Objective If sin-1(x2 – 7x + 12) = nπ, ∀ n ∈ I, then x = (a) -2 (b) 4 (c) -3 (d) 5 Ans (b) If 6sin-1 (x2 – 6x + 8.5) = π, then x is equal to (a) 1 (b) 2 (c) 3 (d) 8 Ans (b) sin-1 (1 – x) – 2sin-1 x […]

## 12th Math Chapter 1 Objective in English

Relations and Functions Objective The function f : A → B defined by f(x) = 4x + 7, x ∈ R is (a) one-one (b) Many-one (c) Odd (d) Even Ans (a) The smallest integer function f(x) = [x] is (a) One-one (b) Many-one (c) Both (a) & (b) (d) None of these Ans (b) […]

## 12th Math Chapter 2 Objective in hindi

प्रतिलोम त्रिकोणमितीय फलन Objective यदि sin-1(1 – x) – 2sin-1x = π2 तब x का मान है : (a) 0 (b) 0, −12 (c) 0, 12 (d) कोई नहीं Ans (a) sin-1x + cot-1x का मान है : (a) π (b) π/2 (c) −π/2 (d) 1 Ans (b) cos-1(4×3 – 3x) का सरल रूप है : (a) 3sin-1x (b) 3cos-1x (c) π […]

## 12th Math Chapter 1 Objective in Hindi

सम्बन्ध एवं फलन Objective यदि A = {a, b, c}, B = {1, 2, 3) और f = {(a, 1) (b, 2) (c, 2)} तो f कैसा फलन है? (a) एकैक अंत:क्षेपी (b) अनेकैक अंतःक्षेपी (c) अनेकैक आच्छादक (d) एकैक आच्छादक Ans (b) यदि f : R → R जहाँ f(x) = 3x तो कैसा […]