Question

hecise I. 1. If the quadratic equations ar? + 25x + c = 0 and ar? + 2x + b = 0,(b + c) have a common tool, then show that a + 4b + 4c =0. 2. If x2 - 6x +5 = 0 and r?-12x+p=0 have a common root, then find P 3. If r2 - 6x +5=0 and x? - 3ax +35=0 have a common root, then find a 4. If the equations x2 + ax + b = 0 and + x +d=0 have a common root and the first equation has equal roots, then prove that 2(b + d) = ac. 5. Discuss the signs of the following quadratic expressions when x is real. @ XP-5x+4 (m) x2-x+3​

Answer 1

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