8a power3-27b power3
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Answer:
Put this in the form
a
3
+(3b)
3
+(2c)
3
−3a(3b)(2c)
Use the familiar factorisation to get
a
3
+27b
3
+8c
3
−18abc=(a+3b+2c)[a
2
+(3b)
2
+(2c)
2
−a(3b)−3b(2c)−(2c)a]
Now simplify and get
a
3
+27b
3
+8c
3
−18abc=(a+3b+2c)(a
2
+9b
2
+4c
2
−3ab−6bc−2ca)
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this is the correct answer..so its help you
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