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  Here,     2cos2x - cosx = 1 or, 2cos2x - cosx - 1 = 0 or, 2cos2x - 2cosx + cosx - 1 = 0 or, 2cosx(cosx - 1) + 1(cosx - 1) = 0 or, (cosx - 1)(2cosx + 1) = 0 ==> Either, cosx - 1 = 0 ==> cosx = 1 ==> .....

 प्रश्न नं. ६.को उत्तरः (क) दुध दिने गाई र गाउने काम गरी (ख) श्रुतिसमभिन्नार्थक (ग) पूरा वा भरी (घ) .....

= 200 = 100 + 100 = C + C        [ since, 100 = C ] = .....

कल   तिर्खाएको मानिसले कलको पानी कलकल पयिो ।  हामीले एकआपसमा कलको वातावरण सृजना गर्नु .....

फुल(अण्डा)         कुखुराले आज पनि फुल पारेछ ।  फूल( पुष्प)        मैले धेरै फूल .....

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Prithvi Narayan Shah was a member of the ruling Shah family of the Gorkha principality, Nepal. It is him who conquered the three Malla kingdoms of Kathmandu, Patan, and Bhaktapur in 1769. He consolidated them to found the modern state of .....

Anti-Comintern Pact, was an agreement concluded first between Germany and Japan (Nov. 25, 1936) and then between Italy, Germany, and Japan (Nov. 6, 1937) It was directed against the Communist International (Comintern) but, by implication, .....

A constituent assembly or constitutional assembly is a body or assembly of representatives composed for the purpose of drafting or adopting a constitution. A constituent assembly is usually set up for its specific purpose, which it carries out in a .....

The second mass movement 2062/063 is one of the historic movement in Nepalese politics. The mass movement was made against the dictatorship of the then King Gyanendra. The key to the success of the mass movement was the Seven Parties .....

The first amendment to the constitution of Nepal, 2019 was made on 4th Magh, 2023 BS. A new program was implemented by King Mahendra which was called 'Back to Village National Campaign' in 2024 BS. Similarly, on 26th Mangsir 2032 BS, the .....

The C-class Rana went against Rana rule because they were not included in the role of succession. They were given less power and freedom in the system. So, they wanted to end the Rana rule in Nepal and helped the democratic .....

Delhi agreement was an understanding to end the Rana rule and establish democracy in the nation. Delhi agreement of Feb.15,1951 is called tripartite agreement because it was signed by three different parties - King Tribhuvan, Nepal Congress and .....

Diameter is a straight line passing from side to side through the centre of a figure, especially a circle or .....

We know, the equation of form ax2 + 2hxy + by2 = 0 is called the second degree homogeneous equation. The second degree homogeneous equation represents a pair of straight lines passing through origin. The second degree homogeneous equation is .....

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The Cold War is the name given to the relationship that developed primarily between the USA and the USSR after World War II. The Cold War was to dominate international affairs for decades. It occurred due to clash of very different beliefs and .....

यसको विपरीतार्थक शब्द सार हो  सार भनेको चाँही अर्थ भएको भन्ने हुन्छ भने निस्सार भनेको  अर्थ .....

The hardness of water is of two types: Permanent hardness and Temporary hardness.  Permanent hardness of water is due to chloride and sulphate salt of calcium and magnesium such as magnesium chloride, magnesium sulphate, calcium .....

The attraction between water molecules creates tension and forms a very delicate membrane. And water striders walk on this .....

When the zeolite stops working then it can be made fit for use again   by pouring a strong solution of common salt through the .....

Population management is a process of maintaining the number of people living in a location as per the available resources. It is a process in which the current population is maintained without destroying the future generations ability of .....