if alpha and beta are zeros of 2x^2-3x+5 then find the value of alpha^2+beta^2
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2x² - 3x +5 =0
α+β = -(-3/2) = 1.5
αβ = 5/2
i)α² +β² = (α+β)² - 2αβ
= (1.5)²- 2×(5/2)
= 2.25 - 2 × 2.5
= 2.25 - 5
= - 2.75
this is your answer
α+β = -(-3/2) = 1.5
αβ = 5/2
i)α² +β² = (α+β)² - 2αβ
= (1.5)²- 2×(5/2)
= 2.25 - 2 × 2.5
= 2.25 - 5
= - 2.75
this is your answer
aakash310:
TQ
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