`C(8,0)/6-C(8,1)+6C(8,2)-` is equal to

(""^(8) C_(0) )/(6) - ""^(8) C_1 + ""^(8) C_(2) . 6-""^(8) C_3 . 6^2 + ... + ""^(8) C_(8) .6^(7) is equal to (i) 0 (ii) 6^7 (iii) 6^5 (iv) (5^8)/(6)

8-8xx(2(1)/(5)-1(2)/(7))/(2-(1)/(6-(1)/(6))) is equal to (a) 2(b)4(c)6 (d) 8

""^(15)C_(8) + ""^(15)C_(9) - ""^(15)C_(6) - ""^(15)C_(7) is equal to ………. .

""^(15)C_(8) + ""^(15)C_(9) - ""^(15)C_(6) - ""^(15)C_(7) is equal to ………. .

^8C_(2)+^(8)C_(3)+^(8)C_(4)+...+^(8)C_(7) is equal to

""^(15)C_(8)+""^(15)C_(9)-""^(15)C_(6)-""^(15)C_(7) is equal to

Tha value ^(11)C_2 + ^(11)C_4 + ^(11)C_6 + ^(11)C_8 is equal to ....

If for some m,n,^(6)C_(m)+2(""^(6)C_(m+1))+^(6)C_(m+2)>^(8)C_(3) and ^(n-1)P_(3):^(n)P_(4)=1:8 ,then ""^(n)P_(m+1)+""^(n+1)C_(m) is equal to

""^(15)C_(9)-_""^(15)C_(6)+""^(15)C_(7)-^(15)C_(8) equals to