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Answered

C = - 4 x [( 2 + 11) - (3 - 1 )]         D = - 1 + 2

        31     3     6      12  3                     2   3

Sagot :

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C=-4/31 * [(2/3 + 11/6) - (2/12 - 1/3)]

= -4/31 * [(4/6 + 11/6) - (2/12 - 4/12)]

= -4/31 * [(15/6) - (-2/12)]

= -4/31 * [(15/6) + 1/6]

= -4/31 * (16/6)

= -4/31 * 8/3

= - 32 / 93

 

D = -1/2 + 2/3

= -3/6 + 4/6

= 1/6

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