20. We have to find the minimum value.. ................help.... . ...
pushkar , 6 Years ago
Grade
9 grade maths> 20. We have to find the minimum value.. ....
1 Answers
Arun
Last Activity: 6 Years ago
Dear Pushkar
x^2 + [ 1 / (x^2 + 1) ] – 3
we can write it as
(x^2 + 1) + 1/ (x^2 + 1) – 4
As we know any form of p + 1/p will have minimum +2 value if p is positive
now
for minimum value
= 2 – 4 = – 2
Regards
Arun
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