Question

1.if a-b =2 and ab=3, then a^3-b^3=....
(a)8 (b)27 (c)26 (d)6
2.if a=b-c then a^3 +b^3+c^3-3abc....
(A)a^3 (b) 2a^3 (c)3a^3 (d) 0

Answer 1

Step-by-step explanation:

1 a

2 c

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