Find the product using suitable identities
please fast it is urgent
( 3a + 4b) ( 9a^2 - 12 ab + 16 b^2)
Answers
Answered by
4
Answer:
27a³ + 64b³
Step-by-step explanation:
( 3a + 4b ) ( 9a² - 12ab + 16b² )
It can be written as
= ( 3a + 4b ) { ( 3a )² - 3a( 4b ) + ( 4b )² }
Using algebraic identity x³ + y³ = ( x + y)( x² - xy + y² )
= ( 3a )³ + ( 4b )³
= 27a³ + 64b³
Similar questions