1.

Let a1,a2,a3 ...... a11 be real numbers satisfyinga_1 =15, 27-2a_2 > 0 and a_k= 2a_(k-1) - a_(k-2) for k=3,4,.....11 If(a1^2 +a2^2.......a11^2)/11 = 90 then find the value of (a_1+a_2....+a_11)/11

Answer»

0
`3sqrt(10)`
270
270/11

Answer :A


Discussion

No Comment Found