Subtract: `3l(l-4m+5n) ,4l(10n-3m+2l)`

Factorize: (l+m)^2-(l-m)^2

Using the s, p, d, notation, describe the orbital with the following quantum numbers? (a) n = 1, l=0, (b) n = 2,l = 0, (c) n = 3, l = 1, (d) n = 4, l =3.

The value of lim_(x rarr 0) (l_(n) (1+2h) - 2l_(n) (1+h))/(h^(2)) is :

What will be the volume of the mixture after the reaction : NH_3 (g) (1L) + HCl (g) (1.5L) to NH_4Cl (s)

If m is the A.M. of two distinct real numbers l and n""(""l ,""n"">""1) and G1, G2 and G3 are three geometric means between l and n, then G1 4+2G2 4+G3 4 equals, (1) 4l^2 mn (2) 4l^m^2 mn (3) 4l m n^2 (4) 4l^2m^2n^2

If l_(n)=int_(0)^((pi)/(4)) tan^(n) xdx show that (1)/(l_(2)+l_(4)),(1)/(l_(3)+l_(5)),(1)/(l_(4)+l_(6)),(1)/(l_(5)+l_(7)),"...." from an AP. Find its common difference.

The electrons identified by quantum numbers n and l a. n=4, l=1 b. n=4, l=0 c. n=3, l=2 d. n=3, l=1 can be placed in order of increasing energy as:

The direction cosines l, m, n of two lines are connected by the relation l+m+n=0 and l . m=0 then the angle between them is