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A rainbow is actually round like a circle. Rainbows caused by sunlight always appear in the section of the sky directly opposite the sun. The red color in the rainbow is at the top. The rainbow is curved as it reflects the round shape of the .....

There are seven continents in the world. They are: 1. Africa 2. Antarctica 3. Asia 4. Australia 5. Europe 6. North America 7. South .....

Solution, Here, we have to find the value of cubic polynomial a3+b3+9ab And we have been given the value of linear polynomial a + b. Given, a + b = 3 So, let us cube on both side so that the linear polynomial a + b changes to cubic polynomial .....

घर आउँदा मलाई केरा ल्याइदेऊ .....

Janaki temple---------------Historical heritage Pashupatinath temple------UNESCO World Heritage Site Swyambhunath-------------Kathmandu district 55 windows palace---------Bhaktapur District Hanuman dhoka------------Kathmandu Durbar .....

a. 38   39   .....

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Solution, Here we have to simplify the trinomial expression (4x2 - 12xy + 9y2)/(9a2 - 12ab + 4b2)  ÷ (2x - 3y)2/(3a - 2b)2                              .....

Blue-eyed offspring may be produced from brain eyed parents, if the brain eyed parents are (not pure) hybrid. In a hybrid, both the blue-eyed as well as brain eyed characters are present. The blue-eyed character is recessive which if expressed in .....

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Bicycle is invented by Kirkpatrick Macmillan. Electric iron is invented by Henry W. Seeley. Ball pen is invented by John J. Loud. Telephone is invented by Alexander Graham Bell. Aeroplane is invented by Orville and Wilbur .....

2x + 4y - 4z = 2 × 4 + 4 × 5 - 4 × 6                     = 8 + 20 - 24                     = .....

Solution, Here we have to divide the expression 48x6 + 36x4 - 243 by the term 6x2       = 48x6 + 36x4 - 243 ÷ 6x2  The horizontal division can be written in .....

Mercury ------------nearest planet Venus ----------------second nearest planet Earth -----------------third nearest plane Mars -----------------fourth nearest planet Jupiter ---------------fifth nearest .....

पैसा पुग्छ कि .....

The diploid cell formed by the fusion of male and female gametes is called .....

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Solution:  Here we have to find the product of (5x + 9) and (5x - 9). So let us multiply them. (5x + 9) × (5x - 9) Now, multiply the individual terms of the first bracket with the 2nd bracket. = 5x (5x - 9) + 9 (5x - 9) Now, let us .....

a. Biology is the study of living organisms. b. Physics is the study of matter and energy and the interactions between them. c. Chemistry is the science that deals with the composition, properties, reactions, and the structure of matter. d. .....

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Good habit      ✔   Bad habit     .....

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क) मान्छेको मस्तिष्क अन्य प्राणीका तुलनामा निकै विकसित छ । यस कारण मानिस अरू प्राणीभन्दा .....

Earth is the fifth largest planet in the solar system. Its diameter at the equator is 12,753 .....

Planets are heavenly bodies that revolve around the sun. The moon is the only natural satellite of the earth.  The study of the celestial objects in the space is called astronomy. Earth is the fifth-largest planet in the solar .....

10x^2y^2 - 20x^3y^3 +  40x^4y^4 by 10x^2y^2 Solution, Here we have to divide the expression 10x2y2 - 20x3y3 +  40x4y4  by the term 10x2y2      = 10x2y2 - 20x3y3 + .....

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Yuri Gagarin was the first man to travel in space. The brightest star in the night sky is Sirius. The solar system comprises of the sun, the moon, the stars and all other heavenly bodies in the space.  There are eight main planets and .....

Solution:  Here we have to find the product of (2x - 3) and (2x + 3). So let us multiply them. (2x - 3) × (2x + 3)  Now, multiply the individual terms of the first bracket with the 2nd bracket. = 2x (2x + 3) – 3 (2x + .....

Solution, Here, we have to find the value of quadratic polynomial a2+b2. And we have been given the value of linear polynomial a + b and quadratic polynomial ab. Given, a + b = 5 and ab = 3. We also know the formula for a2+b2 is (a+b)2-2ab or .....

Solution, Here, we have to find the value of quadratic polynomialx2+y2. And we have been given the value of linear polynomial x – y and quadratic polynomial ab. Given, x - y = 9 and xy = 2. Now, to find the value of x2+y2, let us compare the .....

Solution, Here we have to simplify the trinomial expression (4x2 + 2xy + 2xy + y2)/(4x2 - y2) ÷ (2x + y)/(4x2 - 2xy - 2xy + y2)                             .....

1. The largest continent – Asia 2. The smallest continent – Australia 3. The coldest continent – Antarctica 4. The largest ocean – Pacific 5. The smallest ocean – Arctic 6. Numbers of oceans – Five 7. .....

क) क         कल ख) ख        खल ग) ज         जल घ) थ         थल ङ) घ          .....

Solution Here we have to express the expression x2-4x + 4 as a perfect square. Here, x2-4x + 4 To express x2-4x + 4 as a perfect square let us represent the given trinomial expression into a2- 2ab + b2 and use in the formula (a-b)2 = a2-2ab+ b2 = .....

Solution, Here we have to divide the expression x3y4 - x4y5+ x6y3  by the term x2y3      = x3y4 - x4y5+ x6y3 ÷ x2y3 The horizontal division can be written in the vertical form as,   .....

Solution, Here, we have to find the value of quadratic polynomialx2+25y2. And we have been given the value of linear polynomial x + 5 y and quadratic polynomial ab. Given, x + 5 y = 9 and xy = 4. Now, to find the value of x2+25y2, let us compare the .....

Solution Here we have to express 9a2+30a + 25 as a perfect square. Here, 9a2+30a + 25 To express 9a2+30a + 25as a perfect square let us represent the given trinomial expression into a2+ 2ab + b2 and use in the formula (a+b)2 = a2+2ab+ b2 = (3a2+2 . .....

भाइले किताब पढिसके पछि पुनः झोलामा राख्यो .....

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The planets revolve around the Sun.  Earth has one moon that revolves around it.  Earth revolves around the sun. The solar system consists of eight known planets.  The sun is a star at the center of our solar .....

Solution Here we have to express 1/y2  + 2 + y2 as a perfect square. Here, 1/y2  + 2 + y2 To express 1/y2  + 2 + y2  a perfect square let us represent the given trinomial expression into a2+ 2ab + b2 and use in the formula (a+b)2 .....

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Solution, Here, we have to find the value of quadratic polynomial a2+b2. And we have been given the value of linear polynomial a - b and quadratic polynomial ab. Given, a + b = 20 and ab = 200. We also know the formula for a2+b2 is (a+b)2-2ab or .....

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Solution Here we have to express 25 + 30p + 9p2 as a perfect square. Here, 25 + 30p + 9p2 To express 25 + 30p + 9p2 a perfect square let us represent the given trinomial expression into 25 + 30p + 9p2 and use in the formula (a+b)2 = a2+2ab+ b2 = .....

Here we have to find the value of quadratic polynomial 64a2-112ab+49b2  when a = 1/2 and b =(-3)/2. So let us write the expression first.         = 64a2-112ab+49b2 Here we have also been given the value of a and b as a = .....