The value of ""^(10) C(2) + ""^(10) C(3)...

The value of `""^(10) C_(2) + ""^(10) C_(3) + … + ""^(10) C_(9)` is

`2^(10) - 1`

`2^(10)`

`2^(11)`

`2^(10) - 2`

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The value of ""^(16)C_(9)+""^(16)C_(10)-""^(16)C_(6)-""^(16)C_(7) is

The sum (1)/(2)""^(10)C_(0)-""^(10)C_(1)+2.""^(10)C_(2)-2^(2)*""^(10)C_(3)+ . . .+2^(9)*""^(10)C_(10) equals:

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The value of sum_(r=1)^(10)r(n C_(r))/(n C_(r-1)) =

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The smallest value of x satisfying the inequality ""^(10)C_(x-1)gt 2""^(10)C_x is :

The plastic industry uses large amounts of phthalic anhydride C_(8)H_(4)O_(3) , made by the controlled C_(10) H_(8) + (9)/(2) O_(2) rarr C_(8) H_(4) O_(3) + 2 CO_(2) + (5)/(2) H_(2) O Since some of the naphthalene is oxidised to other products, 80% yield is obtained. What weight of phthalic anhydrid would be produced by the oxidation of 256 g of C_(10)H_(8) . [Mw "of" C_(10) H_(8) = 128, Mw "of" C_(8) H_(4) O_(3) = 148]

The solution set "^10C_(x-1)>2 . "^10C_x is

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