Question

X + 3 y ka whole cube if x is equal to 2 and Y is equal to minus 4

Answer 1

Hey friend, Harish here.
__________________________________________________

Here is your answer:
__________________________________________________

Given that,

$x= 2$

$y= -4$
_ _ _ _ _ _ _ _ _ _ _

To find,

$(x+3y)^{3}$
_ _ _ _ _ _ _ _ _ _ _ 

Solution, 

$x + 3y = 2 + 3(-4)$
 
           $=2 - 12$

           $=(-10)$

Then,
$(x +3 y)^{3} = (-10)^{3}$

                   $= - 1000$ 

∴$(x +3 y)^{3} = - 1000$
__________________________________________________

Hope my answer is helpful to u.