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Pls answer my question

1)find the quadratic polynomial with zeroes 3+√2 & 3-√2.

2)if alpha*beta are zeroes of x^2 +7x+12,then find the value of (1/2)alpha +(1/2)beta-2(alpha*beta).

3)if alpha ,beta are the ratio of quadratic polynomial p(x)=x^2-(k-6)x+2(2k-1). find the value of k ,if alpha +beta =(1/2alpha*beta).

2
by sanjays2402

Pls answer fast!!!!!

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