Math, asked by gurmannat2908p9ammg, 1 year ago

please solve
MATHS CLASS X CBSE

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Answered by reeyasaranya

4

Answer:

hence proved

Step-by-step explanation:

${5}^{2} - 5 = 25 - 5 = 20 \: even$

${3}^{2} - 3 = 9 - 3 = 9$

${n}^{2} - n \: even$

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