• Male, 28 Years
• Activity Score215

## Arvind K

Associated for 3 Years 7 Months
• Qualification:
B.Tech/B.E.
• Experience:
I am comfortable to teach all subject from 5th standard to 10th and only Math for 11th and 12th. I am bring up those student who's basic is very weak in any subject.
• Teaches:
Mathematics, All Subjects, Physics, Chemistry, Biology, Electronics
• Board:
CBSE, CBSE Board, All Boards
• Areas:
• Pincode:
110094
Profile Details

#### Qualification :

 B.Tech/B.E. ambedkar institute of advanced communication and technology 2016

#### Total Experience :

9 Years

I am comfortable to teach all subject from 5th standard to 10th and only Math for 11th and 12th. I am bring up those student who's basic is very weak in any subject.

#### Tutoring Option:

Home Tuition Only

#### Tutoring Approach:

I approach tutoring in such a way that I show the students the basics, and then give them a variety of practice exercises and urge them figure out the answers themselves. If in doubt, I would keep prompting them to find the right answers thereby helping them to grasp the right concepts.

#### Hourly Fees [INR]:

400.00

 Class 9 - 10 Mathematics, Physics, Chemistry, Biology, CBSE INR 400.00 /hour Class 11 - 12 Mathematics, Physics, CBSE Board INR 500.00 /hour Engineering Subjects Electronics INR 600.00 /hour Class 6 - 8 Mathematics, All Subjects, All Boards INR 300.00 /hour
Answer
• ## Question: Let A and B be two distinct points on the parabola y2 = 4x. If the axis of the p...

Posted in: Mathematics | Date: 05/09/2017

### Answer:

Let A(t21,2t1) B(t22,2t2)Let A(t12,2t1) B(t22,2t2)

Slope=2(t2−t1)t21−t21=2t1+t2Slope=2(t2−t1)t12−t12=2t1+t2

Equation of circle will be

(x−t21)(x−t22)+(y−2t1)(y−2t2)=0(x−t12)(x−t22)+(y−2t1)(y−2t2)=0

x2+y2−x(t21+t22)−2y(t1+t2)+t21t22+4t1t2x2+y2−x(t12+t22)−2y(t1+t2)+t12t22+4t1t2

As it touches x axis so

t21t22+4t1t2=(t21+t22)24t12t22+4t1t2=(t12+t22)24

4t21t22+16t1t2=t41+t42+2t21t224t12t22+16t1t2=t14+t24+2t12t22

(t21−t22)2=16t21t22(t12−t22)2=16t12t22                          ...(1)

AB is diameter so

(t21−t22)2+(t1−t2)2=4r2(t12−t22)2+(t1−t2)2=4r2            ....(2)

From (1) and (2)

4t1t2+(t1−t2)2=r2  (t1+t2)2=r24t1t2+(t1−t2)2=r2  (t1+t2)2=r2

t1+t2=±r∴ Slope =±2r

Reviews
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Reviewed by: Abhi
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Reviewed by: Ruchika
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Reviewed by: Ankita
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Reviewed by: Kajal
• He is good in explaining the topics. He is an excellent teacher.
Reviewed by: Abhishek
• He has excellant in maths .
Reviewed by: Sachin
• He is a good teacher. He is best in Mathematics. I learned a lot from him. He showed me many tricks.
Reviewed by: Sachin
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Reviewed by: Nitin
• I love his teaching quality.
Reviewed by: Shivam
• H i s teaching skill and involvment with subject .
Reviewed by: Mukul
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Reviewed by: Saurabh Anand
• As a teacher, he is excellent. He teaches very well. His way of teaching is very unique.
Reviewed by: Durgesh
• He is a very good teacher. He teaches very well .
Reviewed by: Suman Varma

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