Question

find the zeros of the quadratic polynomial and verify the relation between its zeros and coefficient

question in the photo ​

Answer 1

f(y)=y²+4√3y-15

=y²+5√3y-√3y-15

=y(y+5√3)-√3(y+5√3)

=(y-√3)(y+5√3)

so,√3,-5√3 are the zeros of the given polynomial.

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