Question

Let aj, az, az, a4 be real numbers such that a, +az+az+a4 = 0 and až + až + a + a=1
Then the smallest possible value of the
expression (a; - az)? + (az – az)2 + (az – a,)? + (as – az)? lies in the interval
(0, 1.5)
A)
B) (1.5, 2.5)
C)

Answer 1

Answer:

Step-by-step explanation:

Smallest value of (a1​−a2​)2+(a2​−a3​)2+(a3​−a4​)2+(a4​−a1​)2 is 0, when a1​=a2​=a3​=a4​=21​.