a+b =7 and ab = 12 , find a power 3 + b power 3
10 points
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a+b =7 and ab = 12 , find a power 3 + b power 310 points
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Formula,
Formula,(a+b)
Formula,(a+b) 2
Formula,(a+b) 2 =a
Formula,(a+b) 2 =a 2
Formula,(a+b) 2 =a 2 +b
Formula,(a+b) 2 =a 2 +b 2
Formula,(a+b) 2 =a 2 +b 2 +2ab
Formula,(a+b) 2 =a 2 +b 2 +2ab7
Formula,(a+b) 2 =a 2 +b 2 +2ab7 2
Formula,(a+b) 2 =a 2 +b 2 +2ab7 2 =a
Formula,(a+b) 2 =a 2 +b 2 +2ab7 2 =a 2
Formula,(a+b) 2 =a 2 +b 2 +2ab7 2 =a 2 +b
Formula,(a+b) 2 =a 2 +b 2 +2ab7 2 =a 2 +b 2
Formula,(a+b) 2 =a 2 +b 2 +2ab7 2 =a 2 +b 2 +2(12)
Formula,(a+b) 2 =a 2 +b 2 +2ab7 2 =a 2 +b 2 +2(12)a
Formula,(a+b) 2 =a 2 +b 2 +2ab7 2 =a 2 +b 2 +2(12)a 2
Formula,(a+b) 2 =a 2 +b 2 +2ab7 2 =a 2 +b 2 +2(12)a 2 +b
Formula,(a+b) 2 =a 2 +b 2 +2ab7 2 =a 2 +b 2 +2(12)a 2 +b 2
Formula,(a+b) 2 =a 2 +b 2 +2ab7 2 =a 2 +b 2 +2(12)a 2 +b 2 =49−24=25
a+b)2=a2+b2+2ab
72=a2+b2+2(12)
a2+b2=49−24=25