cbse deleted portions in mathematics 2020 2021
For Class 10 mathematics
The data given here may not be correct
Students are asked to consult the official cbse website for the correct deleted portions.
A few of the deleted portions for class 10 mathematics are given below
Euclid's division lemma has been deleted in real numbers.
division algorithm of polynomials has been deleted.
Cross multiplication method has been removed in two variable linear equations
Situational problems have been removed in quadratic equations.
Solution of real life problems based on sum of n terms of an AP has been removed.
Area of triangle has been deleted in Coordinate geometry.
Proof of ratio of areas of similar triangles and proog of if the square on one side is equal to sum of the squares on the other two sides, the angle opposite to the first side is a right angle have been deleted
Construction of similar triangles has been deleted.
Trigonometry ratios of complimentary angles has been removed.
Frustum of cone, step deviation method for mean, cumulative frequency graph have been delted.
chapter 8 binomial theorem miscellaneous exercise
1.Find a , b and n in the expansion of (a+b)^n if the first three terms in the expansion are 729, 7290, 30375
2. Find a if the coefficients of (x^2) & (x^3) in the expansion of {(3+ax)^9} are equal
3.find the coefficient of {x^5} in the expansion of{(1+2x)^6}{(1-x)^7}
5.evaluate { (sqrt(3) + sqrt(2))^6 } - { (sqrt(3) - sqrt(2))^6 }
6.find the value of [(a^2)+sqrt{(a^2)-1}]^4 + [(a^2)-sqrt{(a^2)-1}]^4
7.find an approximate value of (0.99^5) using the first three terms of its expansion
exercise 8.2
Q8) Find the middle terms in the expansion of [(x/3)+9y)]^10
6.The english alphabet has 5 vowels and 21 consonants. How many words with 2 different vowels and 2 different consonants can be formed
disclaimer:
There is no guarantee about the data/information on this site. You use
the data/information at your own risk. You use the advertisements
displayed on this page at your own risk.We are not responsible for the
content of external internet sites. Some of the links may not work.
Your internet usage may be tracked by the advertising networks using
tracking cookies
No comments:
Post a Comment
please leave your comments