In a class test, the sum of shefali's marks in Mathematics and English is 30. Had she got 2 marks more in Mathematics and 3 marks less in English the product of their marks would have been 210. Find her marks in the two subjects.

Sin2x diraviative 

Not able to understand please explain in detail

NCERT solutions for hornbill class 11th

(x+4)³ = (x-3)³

Sir/ mam,
it is very well and good guide. No doubt.
But in question 16 exercise 5.1 of ch continuity and differentiablity there is little mistake in case 2 it shows answer in LHL & RHL is 0 but it's answer is -2 truely in video lecture shown gives answer -2,
 So i want that you solve the mistake immediately so students can study better 

Fill the multiplication invese of the following -13

How many two digit number are divisible by 3

In a factory , a machine can fill 180 jars in 15 minutes. How many jars can be filled in 100 minutes 

Is 0 not an integer

Who are you

Sir,I wanna speak to u , regarding an error in some questions

The sum of 1st 2 term is 5

(a+b) whole sq = a sq + b sq + 2ab

What is momentum

Prove that 3+2root5 is irrational
In a easy way

1452

In a triangle ABC AD=5cm BD=4cm and AE=12.5cm. Then find the value of Ac