Question

the minimum value of x⁴+4/x²​

Answer 1

Answer:

x2+4x+4x+4x2x2+4x+4x+4x2

=x2+2.x.2+4+(2x)2+2.2x.1+12−1−4=x2+2.x.2+4+(2x)2+2.2x.1+12−1−4

=(x+2)2+(2x+1)2−5

−2+2)2=0(−2+2)2=0

(2−2+1)2=0

(−2+2)2+(2−2+1)2−5(−2+2)2+(2−2+1)2−5

=−5=−5

So. our answer is −5