2. Polynomials
medium

$x=3$ માટે બહુપદી $3 x^{3}-4 x^{2}+7 x-5$ ની કિંમત શોધો .

A

$36$

B

$61$

C

$26$

D

$81$

Solution

Let $p(x)=3 x^{2}-4 x^{2}+7 x-5$

$\therefore \quad p(3)=3(3)^{3}-4(3)^{2}+7(3)-5$

$=3(27)-4(9)+21-5$

$=81-36+21-5$

$=61$

Standard 9
Mathematics

Similar Questions

Start a Free Trial Now

Confusing about what to choose? Our team will schedule a demo shortly.