Question

solve kar ke dikhao ​

Answer 1

Step-by-step explanation:

we have,

-a³-b³-c³ = 3(a+b)(b+c)(c+a)

so it is a formula......

(a+b+C)³-a³-b³-c³ = 3(a+b)(b+c)(c+a)

so,,

(a+b+c)³ = a³+b³+c³+3(a+b)(b+c)(c+a)