Ex 2.4 Q8 (iv and v) class 9 maths | New syllabus Class 9 maths ex 2.4 Q8 Factorise | ex 2.5 Q8 9th

Описание: Ex 2.4 Q8 (iv and v) class 9 maths | New syllabus Class 9 maths ex 2.4 Q8 Factorise | ex 2.5 Q8 9th

In this video we have solved part 4 and 5 of Question 8 Exercise 2.4 from ncert new syllabus chapter 2 Polynomials class 9th. In old ncert book it is given as Question number 8 Exercise 2.5

Identities used:
(a+b)³=a³+b³+3a²b+3ab²
(a-b)³= a³-b³-3a²b+3ab²

Q8. Factorise each of the following:
(i) 8a³ + b³ + 12a²b + 6ab²
(ii) 8a³ – b³– 12a²b + 6ab²
(iii) 27 – 125a³– 135a + 225a²
(iv) 64a³ – 27b³ – 144a²b + 108ab²
(v) 27p³– 1/216 -9/2p²+1/4p

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Full chapter Class 9 Maths Chapter 2, Polynomials:    • Class 9 Maths Chapter 2, Polynomials New N...  

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