[a_(11)" be real numbers satisfying "a_(1)=15,27-2a_(2)>0" and "a_(k)=2a_(k-1)-a_(k-2)],[=90," then the value of "(a_(1)+a_(2)+......+a_(11))/(11)" is equal to "quad " [JEE "2010" ,"]

Le a_(1),a_(2),a_(3),a_(11) be real numbers satisfying a_(1)=15,27-2a_(2)>0 anda_ =2a_(k-1)-a_(k-2) for k=3,4,11. If (a12+a22+...+a112)/(11)=90, then the value of (a1+a2++a11)/(11) is equals to

Let a_1, a_2, a_3, ,a_(11) be real numbers satisfying a_1=15 , 27-2a_2>0 a n da_k=2a_(k-1)-a_(k-2) for k=3,4, , 11. If (a1 2+a2 2+...+a 11 2)/(11)=90 , then the value of (a1+a2++a 11)/(11) is equals to _______.

Let a_1, a_2, a_3, ,a_(11) be real numbers satisfying a_1=15 , 27-2a_2>0 a n da_k=2a_(k-1)-a_(k-2) for k=3,4, , 11. If (a1 2+a2 2+...+a 11 2)/(11)=90 , then the value of (a1+a2++a 11)/(11) is equals to _______.

Let a_1, a_2, a_3, ,a_(11) be real numbers satisfying a_1=15 , 27-2a_2>0 and a_k=2a_(k-1)-a_(k-2) for k=3,4, , 11. If (a_1^2+a_2^2+...+a_11^2)/(11)=90 , then the value of (a1+a2++a 11)/(11) is equals to _______.

Le a_1, a_2, a_3, ,a_(11) be real numbers satisfying a_2=15 , 27-2a_2>0a n da_k=2a_(k-1)-a_(k-2) for k=3,4, , 11. If (a1 2+a2 2+...+a 11 2)/(11)=90 , then the value of (a1+a2++a 11)/(11) is equals to _______.

Consider A=[(a_(11),a_(12)),(a_(21),a_(22))] and B=[(1,1),(2,1)] such that AB=BA. then the value of (a_(12))/(a_(21))+(a_(11))/(a_(22)) is

Consider A=[(a_(11),a_(12)),(a_(21),a_(22))] and B=[(1,1),(2,1)] such that AB=BA. then the value of (a_(12))/(a_(21))+(a_(11))/(a_(22)) is

Consider the sequence defined by a_(n)=an^(2)+bn+* If a_(1)=1,a_(2)=5,anda_(3)=11, then find the value of a_(10).

Consider an A.P*a_(1),a_(2),a_(3),.... such that a_(3)+a_(5)+a_(8)=11 and a_(4)+a_(2)=-2 then the value of a_(1)+a_(6)+a_(7) is....