Find the value of the polynomial 5x-4r²+3 atx=0x= -1x=2 – InterviewSolution

1.

Find the value of the polynomial 5x-4r²+3 atx=0x= -1x=2

Answer»

$\text{[math]}$

PUTTING x=0

5(0)-4r²+3=0

3=4r²

√3/2=r

putting x=-1

5(-1)-4r²+3=0

-2-4r²=0

-2=4r²

√-2/2=r

putting x=2

10-4r²+3=0

13=4r²

√13/2=r

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