If a, B are zeros of quadratic polynomial 2x2 + 5x + k , find the value of k, such that (a + B)2 -aB =24
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if a and b are roofs then from eqn
a+b=-5/2
ab=k/2
since (a+b)^2-ab=24
25/4-(k/2)=24
from here u will get k
a+b=-5/2
ab=k/2
since (a+b)^2-ab=24
25/4-(k/2)=24
from here u will get k
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