Question

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Answer 1

Step-by-step explanation:

to verify that 1, -1, -3 are zeroes of eqn

put the value of x as 1, -1, -3 in eqn one by one and check whether they made eqn zero or not

if yes, then they are the zeroes of eqn

if no, they are not

and in order to verify relation b/w zeroes and coefficients

check whether

sum of zeroes ( p + q + r) = -b/a

sum of zeroes two at a time ( pq + qr + rp) = c/a

product of zeroes ( pqr ) = -d/a

I assume p,q,r as zeroes of polynomial

this might help you

if you have any doubt, then ask me

Answer 2

Answer:

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