Anyone please solve it .13 number .
pleaseeeeeee solve it
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a^3+b^3+3ab[a+b]
a^3+b^3+3a^2b+3ab^3 -a-b
a^3+b^3+3a^2b+3ab^3 -a-b
11Angel1:
can you solve in nb
no
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Hey !!!
13Q. .
Solution :-
(a + b) ³ - a - b
(a + b) ( a + b ) ² - ( a + b )
( a + b ) ( a+ b) ² - 1 ✔ here (a + b ) common ..
(a + b ) {( a + b ) ² - 1² }
(a + b) { a + b - 1 ) (a + b + 1 )
we know that , ( a² - b² ) = (a + b) ( a - b ) using above like that ..
hence .. here factorise ✔
( a + b ) ( a + b - 1 ) ( a + b +1 ) ✔
______________________
Hope it helps you !!!
@Rajukumar111
13Q. .
Solution :-
(a + b) ³ - a - b
(a + b) ( a + b ) ² - ( a + b )
( a + b ) ( a+ b) ² - 1 ✔ here (a + b ) common ..
(a + b ) {( a + b ) ² - 1² }
(a + b) { a + b - 1 ) (a + b + 1 )
we know that , ( a² - b² ) = (a + b) ( a - b ) using above like that ..
hence .. here factorise ✔
( a + b ) ( a + b - 1 ) ( a + b +1 ) ✔
______________________
Hope it helps you !!!
@Rajukumar111
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