Ex - 5.2
Question 1.

Solution

Question 2.

Solution

Question 3.

Solution

Question 4.

Solution

Question 5.

Solution

Question 6.

Solution

Question 7.

Solution

Question 8.

Solution

Question 9.

Solution

Question 10.

Solution

Question 11.

Solution

Question 12.

Solution

Question 13.

Solution

Question 14.

Solution

Question 15.

Solution

Question 16.

Solution

Question 17.

Solution

Question 18.

Solution

Question 19.

Solution

Question 20.

Solution

Question 1.
Solution
Question 2.
Solution
Question 3.
Solution
Question 4.
Solution
Question 5.
Solution
Question 6.
Solution
Question 7.
Solution
Question 8.
Solution
Question 9.
Solution
Question 10.
Solution
Question 11.
Solution
Question 12.
Solution
Question 13.
Solution
Question 14.
Solution
Question 15.
Solution
Question 16.
Solution
Question 17.
Solution
Question 18.
Solution
Question 19.
Solution
Question 20.
Solution
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