Respuesta :

VirαtKσhli

Given :-

  • ( a - 2b)³

To find :-

  • Value at a = -2 and b = -1/2

Solution :-

Substitute the values ,

  • ( a - b)³
  • ( -2 - (½ ))³
  • ( -2 + ½ )³
  • ( -4+1/2 )³
  • (-3/2)³
  • -27/8
sanyamjain99

Answer:

(a-2b)3=3a-6b

=3x-2-6x-1/2

= -6+3

= -3

Step-by-step explanation:

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