if alpha,beta are the zeros of the polynomial 2y^2+7y+5 write the value of alpha+beta+alphabeta
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f(x) = 2y² + 7y + 5
Let alpha be 'a' and bita be 'b'.
We know that a+b = e/c for a quadratic polynomial cx²+dx+e
(ab)+(ab)
= 5/2+5/2
=10/2
= 5
Let alpha be 'a' and bita be 'b'.
We know that a+b = e/c for a quadratic polynomial cx²+dx+e
(ab)+(ab)
= 5/2+5/2
=10/2
= 5
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