" 11."(8.31+0.6+0.00bar(2))" is equal to: "

2.bar(6)-0.bar(82) is equal to

(8.31+0.6+0.002) is equal to 8.912(b)8.912(c)8.979(d)8.979

((0.6)^(4)-(0.5)^(4))/((0.6)^(2)+(0.5)^(2)) is equal to (a) 0.1(b)0.11(0.6)^(2)+(0.5)^(2) (c) 1.1 (d) 11

The probability that atleast one of the events A and B occurs is 0.6 .If A and B occur simultaneously with probability 0.2 ,then P(bar(A))+P(bar(B)) is equal to

If A=[(1, 0,0),(0,1,0),(a,b,-1)] and I is the unit matrix of order 3, then A^(2)+2A^(4)+4A^(6) is equal to