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21st August 2015, 12:01 PM
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Join Date: May 2012
Re: Guess Paper Of Bihar Board

As your sister want to get previous year exam paper But here you did not mentioned which subject paper you want ,

Here I am providing you Mathematics exam paper for your help :

In the answers of question no. (1) to (12) write True or False

iz'u la[;k 1⁄411⁄2 ls 1⁄4121⁄2 rd ds mÙkjksa esa lgh ;k xyr fy[ksa A

1. A relation R on a set A is said to be an equivalence relation if and only if

(i) R is reflexive and (ii) R is symmetric .................

leqPp; A ij laca/k R rqY;rk laca/k gS ;fn vkSj dsoy ;fn vkSj dsoy ;fn .................

(i) R lerqY; gS ,oa (ii) R lefer gS .................

2. Let X = {1, 2, 3} and Y = {4, 5} Then the following subset of XXY ; f1 = {(1, 4) (1, 5) (2, 4), (3, 5)} is

a function from X to Y .................

;fn X = {1, 2, 3} ,oa Y = {4, 5} rks XXY dk mileqPp] f1 = {(1, 4), (1, 5), (2, 4), (3, 5)} X ls Y esa ,d

Qyu gSA .................

3. A relation R on a set A is said to be symmetric if and only if aRb fi bRa .................

leqPp A ij laca/k R lefer gS ;fn ,oa dsoy ;fn aRb fi bRa .................

4. Let f : RÆ R be defined by f(x) = x2 for all xŒ R.

Then f is a many one onto mapping .................

ekuk fd f : RÆR ifjHkkf"kr gS 2 f x x x R ( ) = " Œ }kjk A rks f cgqdSdh vkPNknh Qyu gSA .................

5. Assume R and S are (nonempty) relations on a set A Then if R and S are transitive then R S » is

transitive .................

ekuk fd leqp; A ij R ,oa S nks fjDr laca/k gSaA ;fn R ,oa S izR;sd laØked gks rks R S » Hkh laØked

6- If 1⁄4;fn1⁄2 5

1⁄4gks rks x dk ,d eku 8 gksxk A1⁄2

7. If f(x) = [x], where [x] denotes the integral part of x, then f(x) is continuous at all integral values of x

;fn f(x) = [x], tgk¡ [x] egÙke iw.kkZad Qyu gS f(x), x ds izR;sd Hkkx ds fy, larr~ gS A .................

.................

8. If {f(x) + g(x)} is continuous at x = a than f(x) and g(x) are both separately continuous at x = a .......

;fn f(x) + g(x), x = a ij larr gks rks f(x) ,oa g(x) nksuksa gh x = a ij larr gksaxs A .................

9. If f(x) g(x) is continuous at x = a, then f(x) and g(x) are separetly continuous at x = 0 .................

;fn f(x) . g(x), x = a ij larr gks rks f(x) ,oa g(x) nksuksa gh x = a ij larr gksaxs .................

10. The function f(x) = ex is an increasing function for all x .................

Qyu f(x) = ex izR;sd x ds ,d fnIV o/kZeku Qy gS .................

11. The curve

oØ 1

5 y x = dk 1⁄40] 01⁄2 ij v/oZ Li'khZ gSA .................

+ = + x dx c Ú .................

12. 2 1 cos 2 sin
x
x x = then one of the values of x is 8. .................
24
1
5 y x = has at (0, 0) a vertical tangent .................
x









For more details here I am providing a pdf file :
Attached Files
File Type: pdf Mathematics exam paper.pdf (500.5 KB, 211 views)


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