Saved Bookmarks
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 2301. |
Ex 9.2 question number 7 |
| Answer» | |
| 2302. |
Find the range of 1/2coc x-1 |
| Answer» | |
| 2303. |
Sin 6 x + cos 6x |
| Answer» | |
| 2304. |
Cube root of -i |
| Answer» | |
| 2305. |
What is assosiative law |
| Answer» Associative law, in mathematics, either of two laws relating to number operations of addition and multiplication, stated symbolically: a + (b + c) = (a + b) + c, and a(bc) = (ab)c; that is, the terms or factors may be associated in any way desired. | |
| 2306. |
Show that for any sets A and B A=(A u B) |
| Answer» When B is subset of A | |
| 2307. |
Prove that cot2 pi/6+ cosec5pi/6+3tan2pi/6=6 |
| Answer» Question:\xa0Prove that:\xa0cot2\xa0pi/6 + cosec 5pi/6 + 3tan2\xa0pi/6 = 6Solution:L.H.S.= R.H.S. | |
| 2308. |
Cos9°+sin9°÷cos9°-sin9°=tan54° |
| Answer» | |
| 2309. |
Que- let f={(1,1),(2,3),(0,-1),(-1,-3)} be a linear function from Z to Z.Find f(x). |
| Answer» f = {(1, 1), (2, 3), (0, -1), (-1, -3)}{tex} \\Rightarrow {/tex}\xa0f (1) = 1, f (2) = 3, f(0) = -1, f(-1) = -3 | |
| 2310. |
a2b7 in (a_2b)12 find coefficients |
| Answer» | |
| 2311. |
(x²-2x)(2x-2)-9(2x-2/x²-2x) |
| Answer» | |
| 2312. |
What is onto function |
| Answer» In mathematics, a function f from a set X to a set Y is surjective, or a surjection, if for every element y in the codomain Y of f there is at least one element x in the domain X of f such that f(x) = y. | |
| 2313. |
If the sum of n terms of an A.p is 3n²+5n. And it\'s m t h term is164.find the value of m |
| Answer» Sn=3n2+5nS1=a1=3(1)2+5(1)=8S2=3(2)2+5(2)=22S2=22=a1+a2a2=22-8=14d=a2-a1=14-8=6nth\xa0term value is 164,then what is n?nth\xa0term=a+(n-1)d164=8+(n-1)6164-8 / 6=n-1156/6=n-126+1=nn=27So 27thterm is 164. | |
| 2314. |
Why -1is not a prime no which has two factor 1or-1 |
| Answer» -1 is not a factor only 1 is a factor... | |
| 2315. |
What is an induction ? |
| Answer» Mathematical induction is a mathematical proof technique. It is essentially used to prove that a property P holds for every natural number n, i.e. for n = 0, 1, 2, 3, and so on. | |
| 2316. |
a+b/c=cos (A-B)/2/sinC/2 |
| Answer» | |
| 2317. |
Cos 5x = 16 Cos raise to 5 x -20 Cos raise to 3 x + 5 cos x |
| Answer» | |
| 2318. |
Write empty set in set builder form |
| Answer» {} | |
| 2319. |
Chapter 4 example no. 1 and 3 |
| Answer» | |
| 2320. |
{3,4}€A |
| Answer» | |
| 2321. |
Why omega+omega square=1 ???? |
| Answer» | |
| 2322. |
What is a set builder form of relation |
| Answer» It is the 1st form of sets in this the statement is called set builder form for example :-x:x is an odd no. where x is a natural no. 0 | |
| 2323. |
What is mode, median |
|
Answer» ? The "median" is the "middle" value in the list of numbers. To find the median, your numbers have to be listed in numerical order from smallest to largest, so you may have to rewrite your list before you can find the median.The "mode" is the value that occurs most often. |
|
| 2324. |
Mod x-2/x-2>0 where x is not equal to 2Solve the equality |
| Answer» | |
| 2325. |
Solve the eneqalityX+1/x+2>1 |
|
Answer» Could you please provide fuil solutions (-infinte, -2) |
|
| 2326. |
X²n-1is divisible by x-1 |
| Answer» For n=1X^2is divisible by x-1For n=kX^2(k-1)=x-1This is equation oneNow proving that n=k+1is trueX^2(k)=x-1LhsX^2kUsing equation oneX^2=x-1/k-1X-1(k)/k-1is divisible byx-1Hope it helps you, ☺️ | |
| 2327. |
What is the syllabus of periodic 1 |
| Answer» | |
| 2328. |
What are the types of sets |
|
Answer» Yes 1.\tSingleton set2.\tFinite Set3.\tInfinite set4.\tEqual set5.\tNull set/ empty set6.\tSubset7.\tProper set8.\tImproper set9.\tPower set10.\tUniversal set |
|
| 2329. |
Sin(-11¶/3) |
| Answer» | |
| 2330. |
How do u understand the domain and range in relations |
|
Answer» No but what is the case if u have a quad. Equation given? The domain is the set of all first elements of ordered pairs (x-coordinates). The range is the set of all second elements of ordered pairs (y-coordinates). |
|
| 2331. |
Maximum value of 3-7cos5x |
| Answer» The value of cos5x lies between --1 and 1.for all x --1 < cos5x > 1So, value of 3 -- 7cos5x can be --4 or 10.Maximum value = 10 | |
| 2332. |
logbase3logbase2logbase√5 5⁴= |
| Answer» | |
| 2333. |
If A+B+C =πProve that..tan2A + tan2B + tan2C = tan2A tan2B tan2C |
| Answer» We have, A + B + C = π Or, 2A + 2B + 2C = 2πOr, 2A + 2B = 2π -- 2COr, tan(2A+2B) = tan(2π -- 2C)Or,{(tan2A+tan2B)/ (1-tan2A tan2B)}= -tan2COr,tan2A+tan2B = -tan2C + tan2A tan2B tan2COr,tan2A+tan2B+tan2C = tan2A tan2B tan2C | |
| 2334. |
How to find domain and range without using number line |
| Answer» | |
| 2335. |
How to find domain |
| Answer» | |
| 2336. |
If the angle of triangle are in the ratio 1:2:3,then the sides are in the ratio |
| Answer» Αιsa question 11 me thodi hota h Increase yr level!! | |
| 2337. |
A={x:x = 2n , n belongs to N and n is smaller or equal to 5 |
| Answer» {2,4,6,8,10} | |
| 2338. |
If 10 times the 10 term is equal to the 15 times the 15 term , show that 25 term of AP is zerp. |
| Answer» 10[a+9d] = 15[a+14d]=> 2[a+9d] = 3[a+14d]=> 2a +18d = 3a + 42d=> a + 24d = 0=> a + (25-1)d = 0Therefore 25th term = 0 | |
| 2339. |
Find the value of tan pi/10. |
| Answer» Tan 18° | |
| 2340. |
If tan (theta / 2) = 5 / 2 and tan (phi / 2) = 3 / 4 then value of cos( theta + phi) is |
| Answer» | |
| 2341. |
(cos8A.cos5A -cos12A.cos9A)/sin8A.sin5A+cos12A.sin9A= tan 4A |
| Answer» | |
| 2342. |
set - builder form {1, 4, 9 ,••••••100} |
|
Answer» {x: x=n^2, n€N, n<11} {x:x belongs to real numbers and x =n square, 1lessthanequalto n lessthanequalto 10} |
|
| 2343. |
Evaluate cos 150degree |
| Answer» Cos(90+60)=-sin(60) {since it lies in II nd quadrant}=-√3/2 | |
| 2344. |
Algebric |
| Answer» Algebraic is an expression render up from integers, constants & variables. | |
| 2345. |
What is 2+2×34/6 |
|
Answer» 40/3 according toBODMAS 13.32 70/6 |
|
| 2346. |
Log4(Log2x)+Log2(Log4x) = 2 |
| Answer» | |
| 2347. |
If E={1,2,3......12},A={x|2x+3≤18} and B={x|x²≤40}, write A and B in the roster form. |
| Answer» A={1,2,3,4,5,6,7}B={1,2,3,4,5,6} | |
| 2348. |
If Ais a subset of BThis implies that:A intersection B=A |
|
Answer» S A HloCan u help meHow to attempt maths lab mnual class 11 What we have to write on plain page or line page |
|
| 2349. |
Square root of a complex number "i" |
| Answer» | |
| 2350. |
n (1+x) is less than or equal to(1+nx) and \'x\' is greater than -1 |
| Answer» | |