What you'll learn from this post:

- What are the changes in JEE 2017?

- Important dates for JEE Main & Advanced 2017

- States & institutions participating in JEE Main & Advanced

- What are the changes in JEE 2017?

- Important dates for JEE Main & Advanced 2017

- States & institutions participating in JEE Main & Advanced

This means that your AIR for JEE Main 2017 will be calculated only based on your JEE Main score, and not with your Class 12 marks.

For admissions to IITs, NITs, IIITs and other CFTIs (Centrally Funded Technical Institutes), you must have secured at least 75% in Class 12 examination (65% for SC/ST students).

For appearing for JEE 2017, Aadhaar card is a mandatory identity proof and it should match with your existing school records.

What's happening? | Date |

Online application process starts | 1st December, 2016 onwards |

Last date to submit application form | 2nd January, 2017 |

Last date to pay application fee | 3rd January, 2017 |

JEE Main 2017 offline exam | Sun, 2nd April, 2017 |

Results of JEE Main exam | Thu, 27th April, 2017 |

Registration for JEE Advanced | Fri, 28th April to Tue, 2nd May, 2017 |

Registration for JEE Advanced with late fee | Wed, 3rd May to Thu, 4th May (5 PM), 2017 |

Admit card available for download | Wed, 10th May to Sun, 21st May, 2017 |

JEE Advanced 2017 exam | Sun, 21st May, 2017 |

Online display of ORS & request for review | Wed, 31st May to Sat, 3rd June, 2017 |

Online display of answer keys | Sun, 4th June, 2017 |

Results of JEE Advanced exam | Sun, 4th June, 2017 |

These dates are as mentioned on the official JEE Advanced website.

For admissions to any universities in these states, students will have to appear for JEE Main 2017. These states are,

- Gujarat
- Madhya Pradesh
- Haryana
- Uttarakhand
- Nagaland
- Odisha

Apart from all the universities in these states, all IITs, NITs and IIITs accept admissions based on JEE Advanced 2017.

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]]>This Trigonometry tip was contributed by Saurav, a HashLearn tutor from NIT Durgapur.

With this tip, you will learn:

- The 4 types of trigonometric identities

- The formulae to find maximum & minimum values for trigonometric identities for each type

- An example problem to solve

The values of these kind of identities is given as,

Minimum : - √(a^2 + b^2)

Maximum: + √(a^2 + b^2)

Minimum : - √(a^2 + b^2)

Maximum: + √(a^2 + b^2)

The values of these kind of identities is given as,

Minimum : (1/2)^n

Maximum: Value can go upto infinity

Minimum : (1/2)^n

Maximum: Value can go upto infinity

The values of these kind of identities is given as follows:

(If a > b)

Minimum : b

Maximum: a

(If a < b)

Minimum : a

Maximum: b

(If a > b)

Minimum : b

Maximum: a

(If a < b)

Minimum : a

Maximum: b

The values of these kind of identities is given as,

Minimum : 2√(ab)

Maximum: Value can go upto infinity

Minimum : 2√(ab)

Maximum: Value can go upto infinity

For example, if you are asked to find out the maximum and minimum values for the expression, **4sinx + 3cosx + 5**, then you have to apply the **Type-1** formula.

Then, according to the formula:

Maximum value for the expression is,

= √(4^2+3^2) + 5

= 5 + 5

= 10

Minimum value for the expression is,

= √(4^2+3^2) - 5

= 5 - 5

= 0

Then, according to the formula:

Maximum value for the expression is,

= √(4^2+3^2) + 5

= 5 + 5

= 10

Minimum value for the expression is,

= √(4^2+3^2) - 5

= 5 - 5

= 0

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]]>This Kinematics tip was contributed by Kshitij, a HashLearn tutor from BITS Pilani, Goa Campus.

With this tip, you will learn:

- The formula to solve Relative Motion problems

- The problems you should solve to understand this concept

- How to determine the application of this formula

- The formula to solve Relative Motion problems

- The problems you should solve to understand this concept

- How to determine the application of this formula

The formula to solve these problems is

**Vac = Vag - Vcg**

To find the relative velocity of particle *a* with respect to particle *c*, you have to subtract velocity of *c* with respect to the ground from velocity of *a* with respect to the ground.

River-Boat problems and Rain-Man problems are very helpful to understand relative motion. An example of the Rain-Man problem would be as follows:

Vrm = Vrg - Vmg where Vrg is the velocity of rain with respect to the ground,

Vmg is the velocity of man with respect to the ground and

Vrm is the velocity of man with respect to rain.

Let's say, Vmg = 10i and Vrg = 20i + 10j, then,

=> Vrm = (20i +10j) - 10i

=> Vrm = 10i + 10j

Vmg is the velocity of man with respect to the ground and

Vrm is the velocity of man with respect to rain.

Let's say, Vmg = 10i and Vrg = 20i + 10j, then,

=> Vrm = (20i +10j) - 10i

=> Vrm = 10i + 10j

Therefore, we can conclude that the actual inclination of the rain with respect to the ground is 30 degrees, but to the man, it appears at 45 degrees.

In one dimension, if two vehicles are moving in the opposite direction, then the velocity of two vehicles are added up with respect to the passenger in one of the vehicles.

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