`10-3 1/5-5 3/10`

For the following probability distribution: X :\ 1\ 2\ \ 3\ 4 P(X):1/10\ 1/5\ 3/10\ 2/5 The value of E(X^2) is 3 b. 5 c. 7 d. 10

Lt_(xto0)((1-cos2x)sin5x)/(x^(2)sin3x) is equal to (i) (6)/(5) (ii) 5/6 (iii) 10/3 (iv) 3/10

Find the value of 5 1/7-{3 3/10+(2 4/5-7/10)}

The coefficient of the middle term in the binomial expansion in powers of x of (1+alphax)^4 and of (1-alphax)^6 is the same, if alpha equals -5/3 b. (10)/3 c. -3/(10) d. 3/5

The coefficient of the middle term in the binomial expansion in powers of x of (1+alphax)^4 and of (1-alphax)^6 is the same, if alpha equals -5/3 b. (10)/3 c. -3/(10) d. 3/5

The coefficient of the middle term in the binomial expansion in powers of x of (1+alphax)^4 and of (1-alphax)^6 is the same, if alpha equals (a) -5/3 (b) 10/3 (c) -3/10 (d) 3/5

The rational number between -1/5 and -2/5 is a) 4 b) -1/4 c) -3/10

For the reaction A + B to products, what will be the order of reaction with respect to A and B? {:("Exp",[A](mol L^(-1)),[B](mol L^(-1)),"Initial rate (mol L^(-1) s^(-1))),(1,2.5 xx 10^(-4), 3 xx 10^(-5), 5 xx 10^(-4)),(2,5 xx 10^(-4),6 xx 10^(-5), 4 xx 10^(-3)),(3, 1xx 10^(-3), 6 xx 10^(-5), 1.6 xx 10^(-2)):}

Simplify the following : (1/10+3/5) div 3""1/2

Find the number from each of the following expanded forms : , (a) 8 xx 10^4 + 6 xx 10^3 + 0 xx 10^2 + 4 xx 10^1 + 5 xx 10^0 , (b) 4 xx 10^5 + 5 xx 10^3 + 3 xx 10^2 + 2 xx 10^0 , (c) 3 xx 10^4 + 7 xx 10^2 + 5 xx 10^0