`9(4)/(10)+4(4)/(10)+7(4)/(10)`

[[1,0,-13,4,50,-6,-7]]=[[(1)/(10),(3)/(10),(1)/(5)(21)/(20),-(7)/(20),-(2)/(5)-(9)/(10),(3)/(10),(1)/(5)]]

((1)/(1.4 )+ (1)/(4.7 ) +(1)/(7.10 )+(1)/(10.13 )+(1)/(13.16)) is equal to

If [t=(4)/(5)+(4.6)/(5.10)+(4.6.8)/(5.10.15)+....oo], then the value of 9t= .....

HCF of (4)/(5),(5)/(6),(9)/(10) is

In a binomial distribution B(n,p=(1)/(4)), if the probability of at least one success is greater than or equal to (9)/(10) ,then n is greater than (1)(1)/(log_(10)4)(2)(1)/(log_(10)^(4)+log_(10)^(3))(3)(9)/(log_(10)^(4)-log_(10)^(3))(4)(4)/(log_(10)^(4)-log_(10)^(3))

(3)/(10)+(7)/(10^(2))+(3)/(10^(3))+(7)/(10^(4))+(3)/(10^(5))+(7)/(10^(6))+

(5)/(4+(7)/(4-(10)/(11)))=?

(1)/(1*4*7)+(1)/(4*7*10)+(1)/(7*10*13)+