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Find aba -1


where (i) a = (5 , 7 , 9) , b = (1 , 2, 3) (ii) a = (1 , 2,5)(3 , 4) , b = (1 , 4 , 5) .

Find aba -1


where (i) a = (5 , 7 , 9) , b = (1 , 2, 3) (ii) a = (1 , 2,5)(3 , 4) , b = (1 , 4 , 5) .

1.     How many grams of BaCl2 should be added to 300 g H2O so that the freezing point of the solution is lowered – 8.3 0C ? Assume that the BaCl2  completely dissociates in the solution.



Given a singly linked list and an element K, your task is to insert the element at the tail of the linked list.

Input

User Task:

Since this will be a functional problem, you don't have to take input. You just have to complete the function addElement() that takes head node and the integer K as a parameter.


Constraints:

1 <=N<= 1000

1 <=K, value<= 1000

Output

Return the head of the modified linked list


You are given a Singly linked list and an integer K. Your task is to insert the integer K at the head of the given linked list

Input

User Task:

Since this will be a functional problem, you don't have to take input. You just have to complete the function addElement() that takes head node and the element K as a parameter.



Constraints:

1 <=N<= 1000

1 <=K, value<= 1000

Output

Return the head of the modified linked list


Explain various types of logical operators used in C language with examples. 


Write a program in C that display even numbers between 50 and 250 using do while loop. 


Discuss switch case statement in C language programming language by taking a suitable example


Write a program in C language that calculates the roots of quadratic equation ax 2 +bx+c.


Write a program in C language that print the sum of first and last digit of 7 digit


input number N (5)


[For example if N=98765 the output is 9(First Digit) + 5(Last Digit)=14

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