if alpha and beta are the zeros of the quadratic polynomial 2-3x-xsquare ,then find alpha + beta
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if alpha and beta are the zeros of the quadratic polynomial 2-3x-xsquare ,then find alpha + beta
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Answer:
ans is 3
Step-by-step explanation:
given eq is -x²-3x+2
now multiple the above eq with - then it becomes
x²-3x+2
now compare the eq with ax²+bx+c
then a= 1 b= -3 c=2
the formula for sum of products (alpha+beta )
= -b/ a
alpha + beta = -(-3)/1
= 3
therefore alpha+beta =3