Class name Subject Book title Chapter number Content Created at
Class XII Informatics Practices Informatics Practices 6 7. You got the below shown SMS from your bank querying a recent transaction. Answer the following — a) Will you SMS your pin number to the given co...
Class XII Informatics Practices Informatics Practices 6 the given URL? Reprint 2026-27 192 nformaticsPractices N otes c) Is the email an example of cyber crime? If yes, then specify which type of cyber c...
Class XII Physics Physics Part-II 4 theoretical prediction based on the assumption that the target atom has a small, dense, positively charged nucleus. Many of the a-particles pass th...
Class XII Informatics Practices Informatics Practices 6 a) your computer is in good working condition for a longer time. b) smart and safe Internet surfing. 17. What is data privacy? Websites that you vi...
Class XII Informatics Practices Informatics Practices 7 C h a p t e r 7 Project Based Learning “An idea that is developed and put into action is more important than idea that exists only as an idea.” — G...
Class XII Informatics Practices Informatics Practices 7 well-defined task to be performed with a set of inputs. This would lead to a set of outputs which when integrated leads to the desired outcome. Dif...
Class XII Informatics Practices Informatics Practices 7 field. While it is essential that the project leader should ensure monitoring of the project, the guide teacher also helps in monitoring the projec...
Class XII Informatics Practices Informatics Practices 7 understand the ideas of others while executing a job together. This can be achieved when the team members listen to each other in group meetings, a...
Class XII Informatics Practices Informatics Practices 7 Footwear and Accessories will be the sub-categories. Also, on his shopping platform, he is planning to launch two mega events— Festive Sale (a mont...
Class XII Informatics Practices Informatics Practices 7 the number of customers placing the order also have to be maintained. The data collected should be plotted appropriately to help Murugan make decis...
Class XII Informatics Practices Informatics Practices 7 In case of books Class is also to be entered. Another CSV file to store orders is created that stores Item Category, Item name, Quantity and Price....
Class XII Informatics Practices Informatics Practices 7 Policy (NDSAP). The dataset was published on portal on 07/09/2015. Statistics of the Data Set: Number of rows: 12168 Number of columns: 123 Descrip...
Class XII Informatics Practices Informatics Practices 7 total number of marginal worker males of Scheduled Tribes(ST) MarginalWorkerST-F: total number of marginal worker females of Scheduled Tribes(ST) S...
Class XII Informatics Practices Informatics Practices 7 any other similar questions, and solving them step-by-step, with detailed explanation and documentation. As an example, in the following pages, we ...
Class XII Informatics Practices Informatics Practices 7 Worker - Household Industry - Males' 'Scheduled Tribe Marginal Worker - Household Industry - Females' 'Scheduled Tribe Marginal Worker - Other Work...
Class XII Informatics Practices Informatics Practices 7 have noticed that the Category column contains data under six different categories — '10-14', '15-19', '20-24', 'Adolescent (10-19)', 'All Ages', '...
Class XII Informatics Practices Informatics Practices 7 a barchart for the DataFrame obtained in Step 7. d.plot(kind='bar') plt.show() Reprint 2026-27 208 InformaticPractices The barchart shown at Figure...
Class XII Mathematics Mathematics Part-II 1 INTEGRALS 225 Chapter 7 INTEGRALS ❖ Just as a mountaineer climbs a mountain – because it is there, so a good mathematics student studies new materi...
Class XII Mathematics Mathematics Part-II 1 Such a process is called integration oranti differentiation. Letusconsiderthefollowingexamples: d We know that (sin x) = cos x ... (1) dx d x 3 2 d...
Class XII Mathematics Mathematics Part-II 1 f ′(x) = g ′(x) – ′(x) ∀ x ∈ I or f′ (x) = 0, ∀ x ∈ I by hypothesis, i.e., the rate of change of f with respect to x is zero on I and hence f is co...
Class XII Mathematics Mathematics Part-II 1 =sin x + C dx d (iii) (– cos x )sin x ; ∫sin x dx = –cos x + C dx d 2 2 (iv) (tan x)=sec x ; ∫sec x dx = tan x + C dx d 2 2 (v) (– cot x)= cosec x ...
Class XII Mathematics Mathematics Part-II 1 arbitrary constant. ∫ Proof Let F be any anti derivative of f, i.e., d dx F(x) = f(x) Then f (x) dx= F(x) + C ∫ Therefore d f (x) dx = d (F(x) + C ...
Class XII Mathematics Mathematics Part-II 1 Thus, in view of Property (II), it follows by (1) and (2) that ∫(f (x) + g(x))dx = ∫ f (x) dx +∫g(x) dx . k f (x) dx = k f (x) dx (IV) For any real...
Class XII Mathematics Mathematics Part-II 1 + x 4 2 3 dx ( )= 3x + 4x . Therefore, an anti derivative of 3x + 4x is x + x . 4 Reprint 2026-27 232 MATHEMATICS (iii) We know that d 1 d 1 1 (log...
Class XII Mathematics Mathematics Part-II 1 x 2 + 2e – log x +C Example3Findthefollowingintegrals: (i) (sin x + cos x) dx (ii)cosec x (cosec x + cot x) dx ∫ ∫ 1– sin x (iii)∫ cos x dx Solutio...