Question

(a−2b)3 when a=−2 and b=−1/2

Answer 1

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

Answer 2

Answer:

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

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

= -6+3

= -3

Step-by-step explanation:

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