Question

Q.1: Use Euclid’s division lemma to show that the square of any positive integer is either of the form 3m or 5m + 1 for some integer m.​

Answer 1

Answer:

Proven below.

Step-by-step explanation:

Use Euclid's division lemma to show that the square of any positive integer is either of the form 3m or 3m+1 for some integer m.

∴ square of any positive integer is of the form 3m or 3m+1.

Hence proved.

Answer 2

Answer:

While Hindustani—a colloquial mix of Hindi and Urdu—is spoken throughout Bihar, different regions have different dialects. There are five dialects—Bhojpuri, Magahi, Maithili, Angika and Vajjika (also known as Brajjika or Bajjika). Most speakers of these dialects can easily understand, if not speak, standardised Hindi.