If x=2/3 and x=-3 are the roots of the quadratic equation ax2+7x+b=0 then find the value of a and b
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We know that x +y equals - b upon a
Hence x+x equals 2 upon 3 - 3
That equals minus 1 upon 3
Minus b upon a equals - 7 upon a so by this equation you can solve it
Hence x+x equals 2 upon 3 - 3
That equals minus 1 upon 3
Minus b upon a equals - 7 upon a so by this equation you can solve it
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