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Explain, why (𝟔×𝟓×𝟒×𝟑×𝟐×𝟏)+𝟓 is a composite number ?
Check whether 6^n cannot end with the digit 0 for any natural number n.
Prove that 5+2√3 is an irrational number.
Prove that √3 is an irrational number.
Basic Proportionality Theorem
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