if a and b are zeroes of 2x²+5x+k and a²+b²+ab=21/4,find a and b.
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Answer:
Step-by-step explanation:
if a and b are roots of the quadratic equation, then
Niw, using
we can get
Using it in second equation (a and b equation), we can get
This means the quadratic equation would be
To calculate roots of this
So,
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