NCERT EXEMPLAR EXERCISE = 2.3 Part I (Q1 to Q20)

Описание: Class IX Polynomials

NCERT EXEMPLAR EXERCISE = 2.3 Part I (Q1 to Q20)

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  
INTRODUCTION TO POLYNOMIALS:    • INTRODUCTION TO POLYNOMIALS  
CONCEPT: REMAINDER THEOREM & FACTOR THEOREM:    • CONCEPT: REMAINDER THEOREM & FACTOR THEOREM  
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)
QUESTIONS BASED ON IDENTITY:    • QUESTIONS BASED ON IDENTITY:a^3+b^3=(a+b)(...  
a^3+b^3=(a+b)(a^2-ab+b^2 )
a^3-b^3=(a-b)(a^2+ab+b^2 )
QUESTIONS BASED ON IDENTITY:    • QUESTIONS BASED ON IDENTITY:a^3+b^3+c^3-3a...  
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  

Q: If a^2+b^2+c^2-ab-bc-ca=0. Prove that a=b=c:    • Q: If a^2+b^2+c^2-ab-bc-ca=0. Prove that a...  
Q Prove that a^2+b^2+c^2-ab-bc-ca is always non negative for all value of a ,b &c:    • Q Prove that a^2+b^2+c^2-ab-bc-ca is alway...  
Q Simplify: (x^3-3x^2-x)(x^2-3x+1):    • Q Simplify: (x^3-3x^2-x)(x^2-3x+1)  
Q Prove that 2a^2+2b^2+2c^2-2ab-2bc-2ca=(a-b)^2+(b-c)^2+(c-a)^2:    • Q Prove that 2a^2+2b^2+2c^2-2ab-2bc-2ca=(a...  
NCERT EXEMPLAR EXERCISE = 2.4 |ONE SHOT|    • NCERT EXEMPLAR EXERCISE - 2.4 |ONE SHOT|  
Q: If x=(7-√45)/2, the prove that (x^3+1/x^3 )+(x+1/x)=7(x^2+1/x^3 )    • If 𝒙=(𝟕−√𝟒𝟓)/𝟐, the prove that (𝒙^𝟑+𝟏/𝒙^𝟑 ...  
Q: If x=(5-√21)/2, the prove that (x^3+1/x^3 )-5(x^2+1/x^2 )+(x+1/x)=0
   • If 𝒙=(𝟓−√𝟐𝟏)/𝟐, the prove that (𝒙^𝟑+𝟏/𝒙^𝟑 ...  
Q: If 4x-2y=4 & xy=6/4, find the value of x^3-y^3/8-3.    • If 𝟒𝒙−𝟐𝒚=𝟒 & 𝒙𝒚=𝟔/𝟒, find the value of 𝒙^𝟑...  
Q: Factorize : x√x-y√y    • Factorize : 𝒙√𝒙−𝒚√𝒚  


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