Question

If alpha and beta are the zeroes of quadartic polynomial p(x)=csqare -x-2 find apolynomial whose zeroes are 2alpha+1and 2beta +1

Answer 1

Answer

Step-by-step explanation:

(∝+1)(β+1)

∝+β=-b by a

=-(-4) by 1 =4

∝+β=4

∝β=c by a

=3 by 1 =3

∝β = 3

Then , multiply ∝+1 into the second bracket with both the no.s

multiply β+1 into the first bracket with both the no.s

= ∝β + ∝ + β +1

Now substitute the values in this above equation,

=3+4+1

=8

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