2. Polynomials
easy

$x$ ની $x = -1$ કિંમત માટે $5x -4x^2+ 3$ બહુપદીનું મૂલ્ય શોધો.

A

$6$

B

$-6$

C

$5$

D

$4$

Solution

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

$p(-1) =5(-1)-4(-1)^{2}+3 $

$=5(-1)-4(1)+3$

$=-5-4+3$

$=-9+3$

$\therefore p(-1)=-6$

આમ, બહુપદી $5 x-4 x^{2}+3$ બહુપદીનું મૂલ્ય $x=-1$ માટે $-6$ છે.

Standard 9
Mathematics

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