expand each of the following using suitable distance identities (-2x+5y-3z)²
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4
Answer:
( a+b+c)² = a²+b²+c²-2ab-2bc-2ac
a= -2
b = 5
c= -3
(-2)²+(5)²+(-3)²-2*-2*5-2*5*-3-2*-3*-2
= 4+25+9+20+30-12
= 76
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2
Answer:
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Step-by-step explanation:
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