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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.
| 7401. |
What is the difference between open interval and semi open interval |
| Answer» | |
| 7402. |
is 313 is term of 45,48,51,,, |
| Answer» 313=a+(n-1)d. 313=45+(n-1)3. 268÷3= n-1 but 268 is not divisible by 3 . Thus 313 is not a term of this A.P | |
| 7403. |
Plizzzzzzz give me some hint how can do it trigono metry |
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Answer» Firstly you will have to learn all the formulas of trigonometry so it will be easy for you Practice |
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| 7404. |
Find the square root of -iota |
| Answer» -1 | |
| 7405. |
Show that Cosx*cosx/2- cos3x*cos9x/2=sin7x*sin8x |
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Answer» o cosxcosx/2-cos3xcos9x/2=sin7x/2sin4xcheck the link below for solutionhttp://www.learncbse.in/ncert-exemplar-problems-class-11-mathematics-chapter-3-trigonometric-functions/ |
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| 7406. |
Find the root lf the quadratic equation 2 upon 5xsquare-x-3upon5=0 |
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| 7407. |
Domain and range of thd function f(x)=1/2-sin3x |
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| 7408. |
Find the cube root of 72-32√5 |
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| 7409. |
Sin(3696π) |
| Answer» 3696 is a multiple of 2. Thus it repeat at 2π. Ans- 0 | |
| 7410. |
Functions y=x |
| Answer» | |
| 7411. |
927262862+632682+7352¾2368953 |
| Answer» | |
| 7412. |
Show that tan 15+cot 15=4? |
| Answer» Tan (45-30)=tan15 . Cot(45-30)=cot15. Use this concept | |
| 7413. |
How many 4 digit number are there with no digits repeated |
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| 7414. |
Ex 10. 4 question 1 |
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| 7415. |
If points pq parallel to y-axis in straight lines |
| Answer» What is the question? Couldn\'t get ya | |
| 7416. |
How to find cos for -1/2 |
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Answer» Well cos is negative in 2nd and 3rd quadrant Check for quadrants in which it is -ve |
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| 7417. |
Write the negation " Every student has paid the fees." |
| Answer» Every student has not paid fees , | |
| 7418. |
Mode of 3x-2 |
| Answer» | |
| 7419. |
Find the image of line passing through point (1,2) and lying in 3x-y+4=0 |
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| 7420. |
₹23=5People₹69=? |
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Answer» 15 ? 10 15 15 people 15 10 13 people |
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| 7421. |
What is Venn diagram of n(A) =n(B) |
| Answer» | |
| 7422. |
Find the square root of -5-8i |
| Answer» Refer supplementary exercises at last of book | |
| 7423. |
What is sample space in probability |
| Answer» All possible outcomes | |
| 7424. |
Find the radian measure corresponding to the following degree measures : |
| Answer» π/180*degree measure | |
| 7425. |
Find the equation of parabola whose focus at (-1, -2) and directrix is x - 2y + 3 = 0. |
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| 7426. |
Find the domain and range of the function :-{(x , 1/1-x2 ) : x€R , x not equal to +- 1 |
| Answer» | |
| 7427. |
d/dx xsinx |
| Answer» Sinx+(-xcosx) | |
| 7428. |
Cos20+cos40+cos60+cos80=1/6 |
| Answer» | |
| 7429. |
What is the value of sin40 |
| Answer» | |
| 7430. |
Prove that:Sin8a.cosa-cos3a.sin6a/cos2a.cosa-sina.sin4a= tan2a |
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| 7431. |
What is exponencial |
| Answer» | |
| 7432. |
Prove tan4x= 4tanx(1-tan2x)/1-6tan2x+tan4x |
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| 7433. |
a+3b=12 find (1) r (2) Domain of r (3) Range of R Here a,b€N |
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| 7434. |
Find the general solution of the equation cos3x=sin2x |
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| 7435. |
x cos°= y cos=(°+ 2π÷3)=zcos(°+4π÷3)prove that xy+yz+zx=0 |
| Answer» | |
| 7436. |
What is the passing marks out of 100 in maths? |
| Answer» 33 | |
| 7437. |
2sin2x2cos2x=sin2x |
| Answer» | |
| 7438. |
Cos ( |
| Answer» | |
| 7439. |
What is W |
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Answer» ?? W is an alphabet ? but I don\'t know its relation with maths ? |
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| 7440. |
Find the multiplicative inverse of 4-√-19 |
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| 7441. |
Tan√x derivative by 1 principle |
| Answer» | |
| 7442. |
limx5-1/x-1x_1 |
| Answer» 67 | |
| 7443. |
Tk |
| Answer» | |
| 7444. |
find the middle term of (2x-x^2÷4)^9 |
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| 7445. |
What are skew lines |
| Answer» | |
| 7446. |
Differntiate " log sin x " from first principle |
| Answer» | |
| 7447. |
What do you meant by collinear ? |
| Answer» Different points on same line are said to be collinear.. | |
| 7448. |
The radius of a circle having minimum area which touches curve y=4-x^2 and the line y = |x| |
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| 7449. |
1_i |
| Answer» | |
| 7450. |
If f(x)=4x-5/5x+3,show that f(f(x))=x |
| Answer» | |