(11^((1)/(2)))/(11(1)/(4))

(11C_(0))/(1)+(11C_(1))/(2)+(11C_(2))/(3)+......+(11C_(10))/(11)=

The sum (((11),(0)))/1+(((11),(1)))/2+(((11),(2)))/3+.........+(((11),(11)))/12equals (where ((n),(r)) denotes nC_r)

Factorise : 4(a^(2)+(1)/(a^(2)))-4(a-(1)/(a))-11

Denominator of 9(3)/(4) +11(1)/(2) +8(1)/(4) is

Value of sin^(2)11((1)/(4))^(@)+cos^(4)11((1)/(4))^(@)=

(5 1/4-3 1/3)= (12)/(23) (b) 2 1(11)/(12) (d) (11)/(12)

(.1^(11)C_(0))/(1)+(.^(11)C_(1))/(2)+(.^(11)C_(2))/(3)+....+(.1^(11)C_(10))/(11)

Find the decimal representation of (1)/(11) . Deduce from it’s the decimal represtation of (2)/(11),(3)/(11)and(4)/(11) .

Find the decimal representation of (1)/(11) . Deduce from it’s the decimal represtation of (2)/(11),(3)/(11)and(4)/(11) .

The sum of 10 terms of the series 1+2(1.1)+3(1.1)^(2)+4(1.1)^(3)+…. is