Given the polynomial P= x^2 + ax +b. Find the values of a and b such that b has 2 roots that are 2 and 3.
a= -5 and b = -1
a= -1 and b = -6
a= 1 and b = 1
a= -5 and b = 6
(giải giùm mình nha các bạn)
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=>x/5=y/3
=>2x/10=3y/9=2x-3y/10-9=5/1=5(tính chất dãy tỉ số bằng nhau)
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