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Q.1 Express the following as the sum of two consecutive integers.

(i) $21^{2}$

(ii) $13^{2}$

(iii) $11^{2}$

(iv) $19^{2}$

Answers (1)

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(i) 21² = 441 => 220 + 221

(ii) 13² = 169 => 84 + 85

(iii) 11² = 121 => 60 + 61

(iv) 19² = 361 => 180 + 181

Posted by

Devendra Khairwa

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