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27a^3b^3-45a^4b^2...

`27a^3b^3-45a^4b^2`

Text Solution

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The correct Answer is:
`9a^3b^2(3b-5a)`
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27a^3+64b^3

27x^(3)y^(3)-45x^(4)y^(2)

Facorise: 27a^3-b^3+8c^3+18abc

Factorise each of the following: (i) 8a^3+b^3+12 a^2b+6a b^2 (ii) 8a^3-b^3-12 a^2b+6a b^2 (iii) 27-125 b^3-135 a+225 a^2 (iv) 64 a^3-27 a^3-144 a^2b+108 a b^2 (v) 27 p^3-1/(216)-9/2p^2+1/4p

Factorise each of the following : (i) 8a^(3)+b^(3)+12a^(2)b+6ab^(2) (ii) 8a^(3)-b^(3)-12a^(2)b+6ab^(2) (iii) 27-125a^(3)-135a+225a^(2) (iv) 64a^(3)-27b^(3)-144a^(2)b+108ab^(2) (v) 27p^(3)-(1)/(216)-(9)/(2)p^(2)+(1)/(4)p

if a=3+b, prove that a^(3)-b^(3)-9ab=27

Factorise: 18a ^(3) b^(3) - 27a ^(2) b^(3) + 36 a ^(3)b ^(2)

Factorise: 9a^(3)b^(2)c-27a^(2)b^(3)c^(2)-36a^(2)b^(2)c^(3)