Simplify: `((893+786)^2-\ (893-786)^2)/((893xx786))`

Simplify: ((893+786)^(2)-backslash(893-786)^(2))/((893xx786))

The correct values of ionization enthalpies(in KJ "mol"^(-1) ) of Si, P, Cl, and S respectively are: a) 786, 1012, 999, 1256 b) 1012, 786, 999, 1256 c) 786, 1012, 1256, 999 d) 786, 999, 1012, 1256

The correct values of ionization enthalpies(in KJ "mol"^(-1) ) of Si, P, Cl, and S respectively are: a) 786, 1012, 999, 1256 b) 1012, 786, 999, 1256 c) 786, 1012, 1256, 999 d) 786, 999, 1012, 1256

{:(7,8,6),(6,5,9),(12,13,?),(504,520,486):}

Following questions are based on the five three digit numbers given below: 519 378 436 624 893 If the positions of the first and third digit within each number are interchanged, which of the following will be the second smallest numbers? 1)519 2) 378 3) 436 4) 624 5) 893

Following questions are based on the five three digit numbers given below: 519 378 436 624 893 If the positions of the first and second digits within each number are interchanged, which of the following will be the highest numbers? 1)519 2) 378 3) 436 4) 624 5) 893

Select the missing number from the given alternatives {:(6,7,5),(7,8,6),(8,9,?),(62,79,47):}

Let x be the product of two numbers 3, 659, 893, 456, 789, 325, 678 and 342, 973, 489, 379, 256. The number of digits in x is 32 (b) 34 (c) 35 (d) 36

I. The geometric mean of 2,4,16 and 32 is a II. The strength of 7 colleges in a city are 385, 1748, 1343, 1935, 786, 2874 , 2108. Then the median strength is b. II. The algebric sum of the deviations of 20 observations measured from 30 is 2. The mean of these observations is c.