  Featured ### Rajendra K Male, 66 Years

Associated for 5 Years 4 Months
Generous Mind
Class 11 - 12 Tutor

#### Activity Score - 1635

• I go to Student's Home
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Location: Bangalore, India
Qualification :
• M.Phil (punjab university chandigarh - 1977)
• Hourly Fees:
INR 1000
Teaches:
 Class 9 - 10 Mathematics All Boards English Medium INR 1000 / Hour Class 11 - 12 Mathematics All Boards English Medium INR 1000 / Hour Engineering Entrance & IITJEE Mathematics IIT JEE Mains WBJEE AIEEE IIT JEE Advanced INR 1500 / Hour Class 6 - 8 Mathematics All Boards INR 800 / Hour

### 1 Note written by me

• #### Integration (Calculus)

Files: 2

Integration for class 12th. It covers all type of questions.

• ## Question: If the error in the measurement of radius of a sphere is 1%, how do I find the ...

Posted in: Mathematics | Date: 01/09/2017

♢ = denote ♢r/r *100 = 1% . To find ♢V/V*100 = ??? V= 4/3 pie r^3 ♢V/♢r = 4 pie r^2 (approximate) ♢V/V*100 = (4 pie r^2 ♢r)*100)÷V = (4 pie r^2 ♢r)*100)÷4/3 pie r^3 = 3 * ♢r/r *100 = 3 * 1 = 3%

• ## Question: If the error in the measurement of radius of a sphere is 1%, how do I find the ...

Posted in: Mathematics | Date: 01/09/2017

♢ = denote ♢r/r *100 = 1% . To find ♢V/V*100 = ??? V= 4/3 pie r^3 ♢V/♢r = 4 pie r^2 (approximate) ♢V/V*100 = (4 pie r^2 ♢r)*100)÷V = (4 pie r^2 ♢r)*100)÷4/3 pie r^3 = 3 * ♢r/r *100 = 3 * 1 = 3%

• ## Question: In a fixed time, a boy swims thrice the distance along the current that he swims...

Posted in: Mathematics | Date: 01/09/2017

distance = time * speed distance in down = t (x + 4) distance in up = t (x - 4) t (x + 4) = 3 * t (x - 4) ➡ x = 8 km /hr

• ## Question: The polynomials P(x) = x3 - 6x2 + ax - 6 and Q(x) = x3 + (5 - a) x2 + 12x - 8 le...

Posted in: Mathematics | Date: 01/09/2017

Reminder P (2) = Q (2) 8-24+2a-6 = 8 + (5-a) 4 +24 - Solving we get a = 11

• ## Question: A cubic polynomial is the least common multiple of two quadratic expressions P(x...

Posted in: Mathematics | Date: 01/09/2017

P (x) and Q (x) becomes zero at x = 8 p(x -8) is a factor of both (x) and Q (x)

• ## Question: A cubic polynomial is the least common multiple of two quadratic expressions P(x...

Posted in: Mathematics | Date: 01/09/2017

P (x) and Q (x) becomes zero at x = 8 p(x -8) is a factor of both P(x) and Q (x)

• ## Question: A cubic polynomial is the least common multiple of two quadratic expressions P(x...

Posted in: Mathematics | Date: 01/09/2017

= x^3 -15x^2+66x-80

• ## 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

Let A(at1^2, 2at1) and B(at2^2, 2at2) be two distinct points on a parabola y^2=4x Since the value of a=1 for the given parabola coordinates of A and B will be (t1^2, 2t1) and (t2^2, 2t2) Since the axis of the parabola touches a circle of radius r having AB as the diameter, A and B are also lying on the circle and must satisfy circle equation. Coordinates for the centre of the circle will be ((t1^2+t2^2)/2, t1+t2)) Since the axis of the parabola touches the circle, radius of the circle will be y coordinate of the centre of the circle ∴ t1+t2=±r Slope of the line joining AB will be (2t2-2t1)/(t2^2-t1^2)=2(t2-t1)/(t2-t1)(t2+t1) =2/(t2+t1)= ±2/r

• ## Question: What is the equation of circle with centre (0, 3) and radius 3.

Posted in: Mathematics | Date: 07/04/2018

X^2+(Y-3)^2=9

X^2+Y^2-6Y=0

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Sincerity and subject knowledge. He has high energy and ensures that the child understands the topic. Since this was SAT calculus, he ensured to buy a book himself so that he can teach new topics well.

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Shri Rajendra Kumar Prasad is very well versed with Mathematics. It is up to student on how to get benefits from him. He has a very easy good style of teaching a topic and his student connection is very good. He would happily solve any problems even on WhatsApp and Phone. Thank you sir if I could get your coaching around April-May. U could have easily got 100%.

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