If `A_1,A_2......A_n` are points on the line `y = x` lying in the positive quadrant such that `OA_n=n.OA_(n-1),O` being the origin. If `OA_1 = 1` then the co-ordinates of `A_8` are `(3asqrt2,3asqrt2,)` where a is equal to

If A_(1),A_(2)......A_(n) are points on the line y=x lying in the positive quadrant such that OA_(n)=n.OA_(n-1),O being the origin.If OA_(1)=1 then the co-ordinates of A_(8) are (3a sqrt(2),3a sqrt(2),) where a is equal to

A_1,A_(2) ....A_(n) are points on the line y=x lying in the positive quadrant such that OA_(n)=nOA_(n-1) .O being the origin.If OA_(1)=1 and the coordinates of A_n ,are (2520sqrt(2),2520sqrt(2)) ,then n=

A_(1),A_(2)…A_(n) are points on the line y = x lying in the positive quadrant such that OA_(n)=nOA_(n-1), O being the origin. If OA_(1)=1 and the coordinates of A_(n) are (2520sqrt(2), 2520sqrt(2)) , then n =

A_1,A_2….A_n " are points on the line y=x lying in th positive quadrant such that " OA_n =Noa_(n-1)O " being the origin . If " OA_1=1 " and the coordinates of " A_n are (2520sqrt2,2520sqrt2) , then n =

Let A_1, A_2 ,....... A_n be the n points on the straight-line y = px + q. The coordinates of A_k is (x_k, y_k) , where k = 1,2,.... n such that x_1, x_2 , ......, x_n are in arithmetic progression. The coordinates of A_2 is (2, –2) and A_24 is (68, 31). The y-ordinates of A_8 is

If O is the origin anf A_(n) is the point with coordinates (n,n+1) then (OA_(1))^(2)+(OA_(2))^(2)+…..+(OA_(7))^(2) is equal to

If A_1, A_2, …, A_n are n independent events, such that P(A_i)=(1)/(i+1), i=1, 2,…, n , then the probability that none of A_1, A_2, …, A_n occur, is

If A_1, A_2, …, A_n are n independent events, such that P(A_i)=(1)/(i+1), i=1, 2,…, n , then the probability that none of A_1, A_2, …, A_n occur, is

If A_1, A_2, …, A_n are n independent events, such that P(A_i)=(1)/(i+1), i=1, 2,…, n , then the probability that none of A_1, A_2, …, A_n occur, is

If A_1, A_2, …, A_n are n independent events, such that P(A_i)=(1)/(i+1), i=1, 2,…, n , then the probability that none of A_1, A_2, …, A_n occur, is