Q5: Find the square of 32 using the diagonal method and column method.
Answers
Answer:
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Step-by-step explanation:
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Answer:
Step 1: Make 3 columns and write the values of a2,2×a×b and b2 in these columns.
Column IColumn II Column III a22×a×b b2 942 49
Step 2: Underline the unit digit of b2 (in Column III ) and add its tens digit, if any, with 2×a×b ( in column II )
Column IColumn II Column III a22×a×b b2 9+442+4 49
1346 Step 3: Underline the unit digit in Column II and add the number formed by the tens and other digits if any, with a2 in Column I. Under line number in column I.
Column I Column II Column III a2 2×a×b b 9+4 42+4 49 13 46 Step 4: Write the underline digits at the bottom of each column to obtain the square of the given number.
Using multiplication :
32×32=1024
Step-by-step explanation:
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