Class X Ch-1 Real Number Ex-1.1 Q.4 to 5
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Class X Ch-1 Real Number Ex-1.1 Question 4 to 5.
Q4. Show square of any positive integer is either of the form 3m or 3m+1 for some integer m .
Q5. Show that the cube of any positive integer is of the form 9m or 9m+1 or 9m+8.
Q4. Show square of any positive integer is either of the form 3m or 3m+1 for some integer m .
Q5. Show that the cube of any positive integer is of the form 9m or 9m+1 or 9m+8.