Question

without actual multiplication find the square of 401​

Answer 1

${401}^{2} = 401 \times 401 = 160,801$

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Answer 2

Step-by-step explanation:

(401)² = (400+1)²

= (400)² + 2(400)(1) + (1)²

= 160000 + 800 + 1

= 160801