Math, asked by Anonymous, 11 months ago

if alpha and beta are the zeros of the polynomial 2x2-x + k satisfy the relation 3alpha + 3beta + alpha × beta = 0 then find (a) the value of k (b) zeroes of p ( x )​

Answers

Answered by b4bhist
5

Answer:

2x^{2}-x + k

α+β = -(-1)/2 = 1/2

αβ = k/2

⇒3α+3β+αβ=0

⇒3(α+β)+αβ=0

⇒3(1/2)+k/2=0

⇒ k = -3

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