`C(50,21)+4C(50,22)+6C(50,23)+4C(50,24)+C(50,25)=`

If A=[(1,0),(1/2,1)] then A^50 is (A) [(1,25),(0,1)] (B) [(1,0),(25,1)] (C) [(1,0),(0,50)] (D) [(1,0),(50,1)]

If A=[(1,0),(1/2,1)] then A^50 is (A) [(1,25),(0,1)] (B) [(1,0),(25,1)] (C) [(1,0),(0,50)] (D) [(1,0),(50,1)]

The normal at (2,6) to the curve x=1+t,y=2+4t^(2) has the intercepts on the axes given by: (A) 50,(25)/(4) (B) 50,(25)/(2) (C) 48,25( D ) none

The value of ((""^(50)C_(0))/(1)+(""^(50)C_(2))/(3)+(""^(50)C_(4))/(5)+….+(""^(50)C_(50))/(51)) is :

The value of ((""^(50)C_(0))/(1)+(""^(50)C_(2))/(3)+(""^(50)C_(4))/(5)+….+(""^(50)C_(50))/(51)) is :

(.^(50)C_(1))^(2)+2(.^(50)C_(2))^(2)+3(.^(50)C_(3))^(2)+.....+50(.^(50)C_(50))^(2)=

(.^(50)C_(1))^(2)+2(.^(50)C_(2))^(2)+3(.^(50)C_(3))^(2)+.....+50(.^(50)C_(50))^(2)=

The value of ((""^(50)C_(0))/(1)+(""^(50)C_(2))/(3)+(""^(50)C_(4))/(5)+...+(""^(50)C_(50))/(51)) a) (2^(50))/(51) b) (2^(50)-1)/(51) c) (2^(50)-1)/(50) d) (2^(51)-1)/(51)