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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.
| 6551. |
What is codomain in relation? |
| Answer» When there are two sets A and B,so the set B is called co domain | |
| 6552. |
2sec |
| Answer» | |
| 6553. |
I m in class 11 and I want make my time table . plz help in doing so |
| Answer» Think by fresh mind what is my capacity to do so. According to it give specific time to every subject | |
| 6554. |
5+5×5-5÷5 = ? |
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Answer» 5+5×5-1=5+25-1=30-1=29 29 by BODMAS 5 |
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| 6555. |
Lim t tends to 1 root under t _1 /3 root under t_1 |
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| 6556. |
What is universal set |
| Answer» Universal set is common part | |
| 6557. |
tanx=(sina-cosa)/(sina+cosa) |
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| 6558. |
Set proving |
| Answer» | |
| 6559. |
How to find coefficient of expression in expansion |
| Answer» | |
| 6560. |
Only ncert questions sufficient for good marks in 11 class |
| Answer» | |
| 6561. |
Sin2x+cosx=0 find general sol |
| Answer» Sin 2x=-cos x2sin x cos x=-cosxCos x=0Hence x= (2n+1)pi/2Also 2sin x=-1Sinx= -1/2Hence x=npi - (-1)^n× pi/6 | |
| 6562. |
If tan A=a/a+1 and tan B =a/2a+1then find the value of A+B. |
| Answer» Using identity tan(A+B)=TanA + tanB/1-tanAtanBTan (A+B)=( a/a+1 + a/2a+1)/1- a/a+1×a/2a+1After solving we getA+B= arctan( 3a+2)a^2/a^2+3a+1 | |
| 6563. |
If ax/cos(-) + by/sin(-) = a² - be , ax sin (-)/cost(-) = 0 , prove that (ax)⅔ + (by)⅔ = (a²-b²)⅔. |
| Answer» | |
| 6564. |
What is function and relation |
| Answer» | |
| 6565. |
Cos210^o |
| Answer» cos(90*2+30)°here Cos thita lie on the third quadrantso thita will be -veand value of cos 30° is under root3 by 2so the value of cos210° is -under root3 by 2 | |
| 6566. |
Prove that :- [1+secα-cot(α+π/2)] [1+secα+cot(α+π/2)]-2=2secα |
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| 6567. |
Value of 31pi/3 |
| Answer» In trigonometry, 31π/3=31×180°÷3=31×60°=1860°Or, in mensuration,31π/3=31×22/7÷3=32.49\xa0\xa0 | |
| 6568. |
Find the difference b/e the no 895 and rvercing the digit |
| Answer» 297 | |
| 6569. |
What is sin 17 |
| Answer» | |
| 6570. |
Tan(π, |
| Answer» | |
| 6571. |
Show that for any set A and B,P(A intersection B)=P(A) intersection P(B) |
| Answer» | |
| 6572. |
Locus full topic |
| Answer» Locus is just the path covered by particle Eqn. Of straight line - x+y+constant=0Circle- x^2+y^2+gx+full+constant=0 | |
| 6573. |
Ex.4.1 ,3rd sum |
| Answer» | |
| 6574. |
How to calculate sin 18 |
| Answer» | |
| 6575. |
How to calculate value of3^5.763 |
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| 6576. |
How to convert 1.657 into versa fraction? |
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| 6577. |
|xsq-7x+10| |
| Answer» | |
| 6578. |
Prove that Cotx cot2x-cot2xcot3xcotx=1 |
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| 6579. |
Construction of 45 degree |
| Answer» | |
| 6580. |
tan15+cot15=4 |
| Answer» | |
| 6581. |
How solve Miscellaneous example no. 16 Complex no. In easy method |
| Answer» | |
| 6582. |
What is trignomentory |
| Answer» Trigonometry means to measure a triangle. | |
| 6583. |
Meaning of ! |
| Answer» Its is a sign of fractorial! Suppose for example lets take example of 6! (fractorial)- 6×5×4×3×2×1! | |
| 6584. |
Two dimensional |
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| 6585. |
Set |
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| 6586. |
Permutations |
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| 6587. |
If sin A = 4 by 5 ,cos B = 5 by 13where o |
| Answer» | |
| 6588. |
Sin5x+Sin3x/Cos5x+Cos3x= tan4x |
| Answer» It is done by using the formula - cosx+cosy = 2cos x+y/2 ×cosx-y/2 or sinY+ sinY= 2sinx+y/2 cosX-y/22sinx ×cosx---------------------2cos4X ×cosx=tan X | |
| 6589. |
Sin3x |
| Answer» | |
| 6590. |
prove that if a subset of phi then A=phi |
| Answer» If a is subset of phi then all the elements of a belong to phi. As we can say that the a is equal to phi because the element of a is phi | |
| 6591. |
63656 |
| Answer» | |
| 6592. |
Can a humanities stream student give NDA exam |
| Answer» | |
| 6593. |
Square of 5 |
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Answer» 25 Final aa |
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| 6594. |
How many indeterminate forms in mathematics |
| Answer» | |
| 6595. |
Cosec (-1410)=? |
| Answer» Cosec(4Π-Π÷6)=-2 | |
| 6596. |
If A+B=45°. Show that (1+tanA)(1+tanB)=2. |
| Answer» | |
| 6597. |
✓✓8 ia a irrational number |
| Answer» {tex}2i\\sqrt3i{/tex}\xa0is a real no.\xa0{tex}\\begin{array}{l}Because2i\\sqrt3i\\;=2\\sqrt3i^2\\\\\\;\\;\\;\\;\\;\\;\\;\\;\\;\\;\\;\\;\\;\\;\\;\\;\\;\\;\\;\\;\\;\\;\\;\\;\\;\\;\\;\\;=2\\sqrt3\\times-1\\\\\\;\\;\\;\\;\\;\\;\\;\\;\\;\\;\\;\\;\\;\\;\\;\\;\\;\\;\\;\\;\\;\\;\\;\\;\\;\\;\\;=-2\\sqrt3\\end{array}{/tex} it is a real no | |
| 6598. |
Find the sum of n term of A.P whose nth term is 2n+3 |
| Answer» | |
| 6599. |
Sin 10° |
| Answer» Let x=10° 3x=30° I | |
| 6600. |
A wheel makes 360 revolution in one minute through how many radians does it turn in one second |
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Answer» 12 pie 2 pie |
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