Question

2. Find the squares of the following numbers using
diagonal method.
(a) 84
(b) 172
(c) 448
(d) 395​

Answer 1

Answer:

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Answer 2

Answer:

${84}^{2} = 7056 \\{172}^{2} =29584 \\ {448}^{2} = 20704 \\ {395}^{2} = 156025$

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