Question

if alpha, beta are zeroes of polynomial 2y2+7y+5. write the value of alpha +beta +alpha multiply beta

Answer 1

aloha user!!


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we are given this polynomial:

2y² + 7y + 5

here 
a= 2
b = 7
c= 5

for α + β = -b/ a 
and for αβ = c/a 

α + β = -7/2
αβ= 5/2

so we have to find the value of:

(α + b) + (αβ)

-7/2 + 5/2
-2/2
-1

the answer is -1

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hope it helps !!

good life !!

Answer 2

heya
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→ ans = -1

→ for further details refer to the attachment
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