Question
If xϵR and m=x2(x4−2x2+4), then m lies in the interval
Answer: Option C
:
C
m=x2(x2−1)2+3=+ive i.e.≥0
Again m=1x2+4x2−2=1(x−2x)2+2≤12
mϵ[0,12]
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:
C
m=x2(x2−1)2+3=+ive i.e.≥0
Again m=1x2+4x2−2=1(x−2x)2+2≤12
mϵ[0,12]
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