If and are the zeros of the polynomial 2y2 - 6y + 4, then find the value of 2 + 2
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0
Answer:
1
Step-by-step explanation:
Given polynomial 2y
2
+7y+5
Here a=2,b=7,c=5
α,β are two zeroes
So, sum of the zeroes =α+β=−
a
b
=
2
−7
Product of the zeroes =αβ=
a
c
=
2
5
Now just put the values
α+β+αβ=(α+β)+αβ
=
2
−7
+
2
5
=
2
−7+5
=
2
−2
=−1
∴ So, the required answer is −1.
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