please give me a answer
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(a+b+c)²=a²+b²+c²+2(Ab+BC+ca)
9²=a²+b²+c²+2*26
a²+b²+c²=81-54=27
9²=a²+b²+c²+2*26
a²+b²+c²=81-54=27
rajukkanojiaapaxdhy:
thanks
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