Algebra
1. Factoring formulas
2. Product formulas
3. Roots formulas
4. Power formulas
5. Logarithm formulas
6. Complex formulas
7. Equations
8.inequalities
9.compound interest formulas
Studyhelpers website is designed for the purpose to provides previous year question paper of mathematics related to any university. It is the best way to provide direct knowledge to the learner for previous year question papers and many more.
Mathematics formulas
Mathematics part wise formulas
1. Algebra
2. Analytical geometry
3. Derivative
4. Equations.
5. Fourier ⬅️Available soon⬇️
6. Integration
7. Geometry
8. Matrices and determinant
9. Number sets
10. Numerical methods
11. Probability
12. Series
13. Trigonometry
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Best books for general knowledge 2021-22 of india for all government exams like PCS,IPS,IAS,PATWARI,SI etc
1. GK book by lucent publications 2021-22:- this one is the best book for prepartion in short time. The many part of general knowledge like history ,economics,geography,miscellaneous questions and many more.
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3. Indian polity by laxmikant:- this one is best book for political part for basic knowledge.
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5. GK book by arihant publication in hindi 2022 :-if u have reading problem in english then u can also purchase gk book by arihant in hindi language
6. Student Atlas for india by oxford:-it is the best atlas and no question of map is going outside from this book
Best csir net mathematics books of infostudy by MIM academy
1. Modern algebra:modern algebra by dr AP singh of MIM academy Chandigarh
2linear algebra: linear algebra by dr. AP singh of MIM academy Chandigarh
3. Real analysis:- real analysis book by dr. AP singh of MIM academy Chandigarh
Best books for csir net mathematics 2020
Everyone want to crack the csir net.but the good books and right strategy is very helpful to achieve this aim.There are many books but todays i will help u to find the best books.with the help of internet i find the best books for csir net mathematics which as follows:
1. Numerical methods :-
Numerical Methods: Problems and Solutions by M K jain,S R K Iyengar and R K jain
2. Modern algebra books :- Basic Abstract Algebra by P. B. Bhattacharya S. K. Jain S. R. Nagpaul(1994-11-25)
3. Real analysis books :- mathematical analysis by sc malik and savita arora is the best book for csir net mathematics
4. Linear algebra books:-linear algebra by schaum outlines is the best book for preparation of csir net mathematics
5 complex analysis:- Complex Variable (Schaum's Outlines) |Revised 2nd Edition is one of best book for csir net mathematics
6. Modern algebra:-Contemporary Abstract Algebra by joseph A gallian
7.ordinary and partial differential equations:- by MD Rai Singhania
How to find the distance between star and earth:- mathmasters.in
There are 2 method of measure the distance in the world.
1. Direct method
2. Indirect method
1. :-direct method- there is aa direct measurement by a specific scale.it is a finite distance.it can be measure easily.
2. Indirect method- in this method the Pythagoras and parallax method is used to measure.
Stellar parallax method
(Parallax method)
Astronomers estimate the distance of star in space by using a method called stellar parallax, or trigonometric parallax. Simply put, they measure a star's apparent movement against the background of more distant stars as Earth revolves around the sun.
Parallax method
Definition:- Parallax is a displacement or difference in the apparent position of an object viewed along two different lines of sight, and is measured by the angle or semi-angle of inclination between those two lines.
:Astronomers estimate the distance of nearby objects in space by using a method called stellar parallax, or trigonometric parallax.
Click here for full pdf form of how to find the distance between star and earth
Q 》how can find de distance between earth and stars? Or click here
ans 》Parallex method is used to measure distance between the earth and star.
Distance from sun to earth=1AU(austronic unit)
1AU=1.5×(10)¹¹m
1AU=3×(10)¹¹m
Angle (L)=arc/radius
Let radius=d
d=arc/angle
Let angle Q1 and Q2
Total angle=Q1+Q2
d=2AU/(Q1+Q2) in radian
d=3x(10)¹¹/(Q1+Q2)×1/60×1/60×π/180
Let Q1=10sec,Q2=20sec
then d=144×(10)14=14.4×(10)¹⁵
d=2 light year(approx.)..answer
(°:9.4×(10)¹⁵=1ligh year)
remember:60sec=1min,60min=1°,180°=pie
remember:1mm=1/10 vernier clipers,1vc=screw gause
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