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If the quadratic equations ax2+2cx+b=0 and ax2+2bx+c=0, (b≠c) have a common root, then a+4b+4c equals to

Answer» If the quadratic equations ax2+2cx+b=0 and ax2+2bx+c=0, (bc) have a common root, then a+4b+4c equals to


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