Math, asked by Harshvardhanoo, 6 months ago

If p and q are zeros of quadratic polynomial ax^2+bx+c=0 then value of p.q=

Answers

Answered by rkpakur07
1

Answer:

and q are the roots of ax

2

+bx+c=0.Then

p+q=−

a

b

,pq=

a

c

q

p

+

p

q

=

pq

p

2

+q

2

=

pq

(p+q)

2

−2pq

=

c/a

(b

2

−a

2

)−2(c/a)

=

a

2

b

2

−2ac

×

c

a

=

ac

b

2

−2ac

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Answered by seema86saklani
1

Answer:

p+q=b/a,pa=c/p

p/q+q\p=p²+q/pq=(p+a)²-2pq/pq

=(b²-a²)-2(c/a)=b²-2ac/9×9/c=b²-2ac/9c

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