Umesh Kumar

Janakpuri Gandhi Market, Delhi, India - 110046

Umesh Kumar

Maths Expert

Janakpuri Gandhi Market, Delhi, India - 110046.

1 Student taught

5.0

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Overview

I have been teaching since 1998 when I was in college.
I decided to become a professional tutor. . I have taught in many coaching centre. Now I teach in tpt , inderpuri. I can teach maths for x,xi,xii. Cbse. My 20 year experience makes me hard worker therefore I believe in hard work and perfect practice.

Hindi

English

Education

Delhi University 1996

Bachelor of Commerce (B.Com.)

Chaudhary Charan Singh University, Meerut 2000

Master of Commerce (M.Com.)

The Delhi institute of computer science 2006

Janakpuri Gandhi Market, Delhi, India - 110046

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Class 12 Tuition Overview

Class 12 Tuition

Class Location

Student's Home

Tutor's Home

Online (video chat via skype, google hangout etc)

Years of Experience in Class 12 Tuition

20

Board

CBSE

CBSE Subjects taught

Mathematics

Taught in School or College

No

Reviews

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It is Given that x² +y² +z² = xy - yz - zx ⇒ x² +y² +z² - xy - yz - zx = 0 ...........(i) Since, x³ + y³ +z³ - 3xyz = (x + y+ z)( x² +y² +z² - xy - yz - zx) then x³ + y³ +z³ - 3xyz = (x + y+ z) x 0 .... (from i ) x³... ...more

It is Given that

x² +y² +z² = xy - yz - zx

⇒ x² +y² +z² - xy - yz - zx = 0 ...........(i)

Since,

x³ + y³ +z³ - 3xyz = (x + y+ z)( x² +y² +z² - xy - yz - zx)

then

x³ + y³ +z³ - 3xyz = (x + y+ z) x 0  .... (from i )

x³ + y³ +z³ - 3xyz = 0

x³ + y³ +z³ = 3xyz

Hence, if  x² +y² +z² = xy - yz - zx  then  x³ + y³ +z³ = 3xyz

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Umesh KumarDirections

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Class 12 Tuition 5.0

Class Location

Student's Home

Tutor's Home

Online (video chat via skype, google hangout etc)

Years of Experience in Class 12 Tuition

20

Board

CBSE

CBSE Subjects taught

Mathematics

Taught in School or College

No

Class 11 Tuition 5.0

Class Location

Student's Home

Tutor's Home

Online (video chat via skype, google hangout etc)

Years of Experience in Class 11 Tuition

20

Board

CBSE

CBSE Subjects taught

Mathematics

Taught in School or College

No

Class 10 Tuition 5.0

Class Location

Student's Home

Tutor's Home

Online (video chat via skype, google hangout etc)

Years of Experience in Class 10 Tuition

20

Board

CBSE

CBSE Subjects taught

Mathematics

Taught in School or College

No

BCom Tuition 5.0

Class Location

Student's Home

Tutor's Home

Online (video chat via skype, google hangout etc)

Years of Experience in BCom Tuition

20

BCom Subject

Type of class

Regular Classes

Class strength catered to

Group Classes, One on one/ Private Tutions

Taught in School or College

No

Teaching Experience in detail in BCom Tuition

I have been teaching since 1998. More than 20 year experience.

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No Reviews yet! Be the first one to Review

It is Given that x² +y² +z² = xy - yz - zx ⇒ x² +y² +z² - xy - yz - zx = 0 ...........(i) Since, x³ + y³ +z³ - 3xyz = (x + y+ z)( x² +y² +z² - xy - yz - zx) then x³ + y³ +z³ - 3xyz = (x + y+ z) x 0 .... (from i ) x³... ...more

It is Given that

x² +y² +z² = xy - yz - zx

⇒ x² +y² +z² - xy - yz - zx = 0 ...........(i)

Since,

x³ + y³ +z³ - 3xyz = (x + y+ z)( x² +y² +z² - xy - yz - zx)

then

x³ + y³ +z³ - 3xyz = (x + y+ z) x 0  .... (from i )

x³ + y³ +z³ - 3xyz = 0

x³ + y³ +z³ = 3xyz

Hence, if  x² +y² +z² = xy - yz - zx  then  x³ + y³ +z³ = 3xyz

Dislike Bookmark

Umesh Kumar describes himself as Maths Expert. He conducts classes in BCom Tuition, Class 10 Tuition and Class 11 Tuition. Umesh is located in Janakpuri Gandhi Market, Delhi. Umesh takes at students Home. He has 20 years of teaching experience . Umesh has completed Bachelor of Commerce (B.Com.) from Delhi University in 1996 and Master of Commerce (M.Com.) from Chaudhary Charan Singh University,Meerut in 2000. HeĀ is well versed in Hindi and English.

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