Answer:
Step-by-step explanation:
Consider curl  where
 where  is a scalar function and F is a vector function
 is a scalar function and F is a vector function
                   
                      i         j          k                
 
       
       
         
                    
     
     
   



 
        
             
        
        
        
The symbol ₁₂P₉ represents the permutations of 9  quantities out of 12.
By definition,

From the calculator,
12! = 479,001,600
3! = 6
Therefore
₁₂P₉ = 479001600/6 = 79,833,600
Answer: 79,833,600
 
        
        
        
Hello!
Rate of income tax = Tax paid / Monthly income
⇒ Rate = 8,000 / 40,000
⇒ Rate = 0.2
⇒ Rate = 20%
∴ The rate of income tax is 20%.
 
        
             
        
        
        
Answer:
116
Step-by-step explanation: