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If a=1, b=(-2), c=3, then find the value of a×a+b×b+c×c+ab+bc+ca​

Answer»

9Step-by-step EXPLANATION:=(1×1)+(-2×-2)+(3×3)+(1×-2)+(-2×3)+(3×1)=1+4+9-2-6+3=17-8=9



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