If 𝟒𝒙−𝟐𝒚=𝟒 & 𝒙𝒚=𝟔/𝟒, find the value of 𝒙^𝟑−𝒚^𝟑/𝟖−𝟑.

Описание: Class IX Polynomials

Q: If 4x-2y=4 & xy=6/4, find the value of x^3-y^3/8-3.

Previous Videos related to this chapter are mentioned in the below link:
COMPLETE NCERT EXERCISE | 2.2:    • COMPLETE NCERT EXERCISE | 2.2  
COMPLETE NCERT EXERCISE | 2.3:    • COMPLETE NCERT EXERCISE | 2.3  
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CONCEPT: SPLITTING THE MIDDLE TERM:    • CONCEPT: SPLITTING THE MIDDLE TERM  
QUESTIONS BASED ON IDENTITY:    • QUESTIONS BASED ON IDENTITY:(a±b)^3=a^3±3a...  
(a±b)^3=a^3±3a^2 b+3ab^2±b^3 "or " a^3±b^3±3ab(a±b)
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a^3+b^3=(a+b)(a^2-ab+b^2 )
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a^3+b^3+c^3-3abc=(a+b+c)(a^2+b^2+c^2-ab-bc-ca)
*If a+b+c=0 "or" a^2+b^2+c^2-ab-bc-ca=0 then a^3+b^3+c^3=3abc
QUESTIONS BASED ON MIDDLE TERM SPLITTING:    • QUESTIONS BASED ON MIDDLE TERM SPLITTING  
COMPLETE NCERT EXERCISE | 2.1:    • COMPLETE NCERT EXERCISE | 2.1  
CONCEPT: Zero of a Polynomial:    • CONCEPT: Zero of a Polynomial  

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