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f : R → R is given by f (x) = 2xLet x1, x2 ∈ R such that f (x1) = f (x2)∴ 2x1 = 2 x2 ⇒ x1 = x2 ∴ f is one-one.Also, given any real number y ∈
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Find CBSE, ICSE State Boards Textbook Solutions of Class 8 to 12 of all subjects. Read NCERT Textbooks Questions and Answers & Find Previous year solved papers.
(Get CBSE Board Textbook Solutions for all subjects from Class 9 to 12. You can also get the CBSE Board's previous year's solved papers from here! You can get online resources for Book Store, Test Series, Prepare Assignment and Previous Year Solved Papers for free! This is an organization related to the education sector. That's why you should not waste your precious time and join Zigya, where many other study materials related to edu

Rate of production of water                      = 12×dH2OdtRate of disappearance of oxyge
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Answer:number of moles present in 92g of Na+ ion.         =92/23g mol-1 = 4molMolality, m=No. of gm moles of&#
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The children in the story were taught by mechanical teachers.The mechanical teachers were actually computer systems which had large black screens on which all the lessons were shown and questions were asked. They had a slot in which students had to put their homework and test papers.
The students were taught to answer their questuions in a punch code and the mechanical teacher calculated the marks immediately. They had their personalized schools in their homes itself. They did not have any classmates. They learned geography, history and arithmetic. They had regular days and hours for school.

Escape velocity of a projectile from the Earth, vesc = 11.2 km/s Projection velocity of the projectile, vp = 3vesc Mass of the projectile = m Velocity
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(i) The multiplicative inverse of 2–4 is 24.
(ii) The multiplicative inverse of 10–5 is 105
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The distribution pattern of the Railway network in the country has been largely influenced by physiographic, economic and administrative factors:

(i)The northern plains with their vast level land, high population density and rich agricultural resources provided the most favourable condition for their growth.

(ii)However, a large number of rivers requiring construction of bridges across their wide beds posed some obstacles.

(iii)In the hilly terrains of the peninsular region, railway tracts are laid through low hills, gaps or tunnels.

(iv)The Himalayan mountainous regions too are u

According to the author, Hor was a grim, miserable place. The town sat on the shore of Mansarovar. However, there was no vegetation, just dust and rocks.  A J
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In the paramagnetic and tetrahedral complex [NiCl4]2-, the nickel is in +2 oxidation state and the ion has the electronic configuration 3d8. The hybridization
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Solved Questions Answers and Assignments for STD 9 - Online GSEB Textbook solutions for STD 9 - ધોરણ 9 હીન્દી ગુજરાતી ગણિત યોગ, સ્વાસ્થ્ય અને શારીરિક શિક્ષણ વિજ્ઞાન્ સંસ્કૃત સામાજીક વિજ્ઞાન્ | ગુજરાત બોર્ડ

(Get CBSE, ICSE and all State Boards textbook solutions for all subjects Class 8 to 12. You can also get CBSE solved papers of previous year from here! You can also prepare for SSC. Can also test SSC, find SSC Resource centre ! You can get resources online for free for NEET, NEET previous year solved paper and JEE, JEE Previous year solved papers! Student can also find the, previous ye