Question

using expansion method find square of 51 and 103
Please give me answer with full solution
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Answer 1

Step-by-step explanation:

${(50 + 1)}^{2}$

${(50)}^{2} + {(1)}^{2} + 2(50)(1)$

$2500 + 1 + 100$

$2601$

${(100 + 3)}^{2}$

${(100)}^{2} + {(3)}^{2} + 2(100)(3)$

$10000 + 9 + 600$

$10609$