1.

Factorise: (a) a3 + 343b3 (b) 27p3+q3​

Answer»

Answer:

HII mate...

sol:-

(a) (a)^3+(7b)^3 =

(a+B) ( a^2+b^2+ab)

(a+7b) ( a^2+7b^2+7ab)

(b) (3P)^3+(q)^3

(3p+q) (3p^2+q^2+3p*q)

(3p+q) (9p^2+q^2+3pq)

|------------------------|

a^3+b^3 = (a+b) ( a^2+b^2+ab)

|------------------------|

Hope it helps U...



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