If p, q and r are the roots of a cubic polynomial $a x^{3} + b x^{2} + c x + d$ , then what will be the value of pq + qr + rp?

- \frac{b}{a}

No worries! We‘ve got your back. Try BYJU‘S free classes today!

- \frac{d}{a}

No worries! We‘ve got your back. Try BYJU‘S free classes today!

\frac{b}{a}

No worries! We‘ve got your back. Try BYJU‘S free classes today!

\frac{c}{a}

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Open in App

Solution

The correct option is D $\frac{c}{a}$
If p, q and r are the zeroes of the cubic polynomial
$a x^{3} + b x^{2} + c x + d$ , then

$p q + q r + r p = \frac{c}{a}$

Suggest Corrections

Similar questions

a x^{3} + b x^{2} + c x + d

a x^{3} + b x^{2} + c x + d

p q r = \frac{- d}{a}

a x^{3} + b x^{2} + c x + d

a x^{3} + b x^{2} + c x + d

\frac{d}{a}

p, q

r

f (x) = a x^{3} + b x^{2} + c x + d

\frac{1}{p} + \frac{1}{q} + \frac{1}{r}

Join BYJU'S Learning Program