Class 10 Maths NCERT maths book.
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x^2+2x+1=0 (factor which u have given)
x^2+x+x+1=0
x(x+1)+1(x+1)=0
x+1=0,x+1=0
so, x=-1,-1 ----- A
F(x)=3x^3+x^2+2x-3 (given)
F(-1)=3(-1)^3+(-1)^2+2(-1)-3 (from equation A)
= -3+1-2-3
= -6-1
=-7
IF IT IS 0 THEN IT IS FACTOR OF THE GIVEN POLYNOMIAL IT IS-7 SO IT IS NOT.
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Answered by
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Answer:
x^2+2x+1=0 (factor which u have given)
x^2+x+x+1=0
x(x+1)+1(x+1)=0
x+1=0,x+1=0
so, x=-1,-1 ----- A
F(x)=3x^3+x^2+2x-3 (given)
F(-1)=3(-1)^3+(-1)^2+2(-1)-3 (from equation A)
= -3+1-2-3
= -6-1
=-7
Step-by-step explanation:
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