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Zeroos of which quadratic polynomial are 4 and 3. (A) x27x+12 (B) x2 - 7x + 12 (C) x + 78 - 12(D) x2 - 7x - 12​

Answer»

iven,x 2 +7x+12zeros x 2 +7x+12=0(x+3)(x+4)=0x=−3,−4verification,SUM of roots =− AB =− 17 =−7=(−3)+(−4)product of roots = ac = 112 =12=−3×−4Hence proved.Answered By


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