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Let AC be the tower and BE be the building. Let height of the tower be h m. It is given that the angles of depression of the top C and bottom A of the tower, o
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Here, a = k – 12, b = 2 (k – 12), c = 2∴ D = b2 – 4ac = [2(k– 12)]2– 4(k – 12) x 2= 4 (k – 12)2 – 8 (k– 12)Roots are equal, if D = 0⇒ 4
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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.
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Let present age of son = x yearsTwo years ago, Age of son = (x – 2) yearsAge of man = 3(x – 2)2∴ Man’s present age = 3(x – 2)2 + 2= 3(x2 – 4x +
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The overall order of the reaction for given rate = k[Cl2] [NO]2order of Cl2 = 1order of [NO]2 =2order =1+2 =3
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CBSE NCERT Solutions Class 10 English. Free online English NCERT Textbooks Questions and Answers. Students can find English 2018-19 syllabus, marking scheme, solved sample papers and previous year papers
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(i) Between 1002 and 1012
Here, n=100 ∴ n x2 = 100 x 2 = 200
∴ 200 non-square numbers lie between 1002 and 1012 .
(ii) Between 902 and 912
Here, n=90 ∴ 2 x n = 2 x 90 or 180
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In a satellite, there is condition of weightlessness. Therefore, mg = 0. On account of electrostatic force of repulsion between the balls, the strings would bec
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Doing well–A Great Struggle
At last I felt released, free to walk the trails and climb the peaks and to brush aside fear. Now the haunting fear had been shed
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(i) Ethyl iodide undergoes SN2 reaction faster than ethyl bromide because in the periodic table size increase if we move down. With an increase in size, basic
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लंदन की आबादी के फैलने के मुख्य कारण निम्नलिखित हैं:

(i) लंदन इंग्लैंड की एक प्रमुख बंदरगाह थी जहाँ पर काम करने के लिए गाँवों से बहुत बड़ी संख्या में लोग आया और यहीं पर बस गए।

(ii) लंदन की गोदी के अतिरिक्त प्रमुख रूप से पाँच तरह के बड़े उद्योगों में बहुत सारे लोगों को काम मिला हुआ था। ये उद्योग थे- परिधान जूता उद्योग, लकड़ी व फर्नीचर उद्योग, धातु एवं इंजीनियरिंग उद्योग, छपाई और स्टेशनरी उद्योग कथा शल्य-चिकित्सा उपकरण व घड़ी जैसे सटीक माप वाले उत्पादों और कीमती धातुओं की चींज़े बनाने वाले उद्योग।

(iii) लंदन में मोटरकार और बिजली के उपकरणों का भी उत्पादन होने लगा और विशाल कारखानों की संख्

First Flight Textbook solutions for Class 10 English Free Online Textbooks Questions and Answers. Students can also find Zigya Additional Questions for more practice.
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Resource Centre! You can get resources online for free for NEET, NEET's previous year solved paper, and JEE, JEE Previous year solved papers! Students can also find the previous year's papers etc. This