`|[r+4,6],[3,r+3]|=|[5,r+2],[r+5,4]|^T` then r=

[[r+4,63,r+3]]=[[5,r+2r+5,4]]^(T) then r=

det [[r + 4,63, r + 3]] = det [[5, r + 2r + 5,4]] ^ (T) then r =

If Delta_r=|[2^(r-1) , 2.3^(r-1) , 4. 5^(r-1)] , [x , y , z] , [2^n-1 , 3^n-1 , 5^n-1]|dot Show that sum_(r=1)^n Delta_r=Con s t a n t

If Delta_r=|[2^(r-1)2 , 3^(r-1) , 4. 5^(r-1)] , [x , y , z] , [2^n-1 , 3^n-1 , 5^n-1]|dot Show that sum_(r=1)^n Delta_r=Con s t a n t

If {:((2,3),(p,1)):}{:((5,2),(-4,6)):}={:((-2,q),(16,r)):} , then 2p+r=

Find r if 5 P(4,r) = 6P ( 5,r-1) , r ge 1.

The universal set U={1,2,3……..10} R={2,4,6,8} S={1,3,5,7,9} and T={1,2,3,4} Determine the sets R' , S' , and T'

If r_(1) = 2, r_(2) = 3, r_(3) = 6 and r =1 , prove that a = 3, b=4 and c = 5 .

I : IF ""^(12)C_(r+1) ="" ^(12) C_(3r-5) then r=3 or 4 . II : If ""^(9) C_(3) +""^(9)C_(5) = ""^(10)C_(r) then r=4 or 6.