Answer

Step by step solution by experts to help you in doubt clearance & scoring excellent marks in exams.

Updated On: 8-6-2021

Apne doubts clear karein ab Whatsapp par bhi. Try it now.

CLICK HERE

Loading DoubtNut Solution for you

Watch 1000+ concepts & tricky questions explained!

5.0 K+

3.9 K+

Text Solution

19293981

Answer :

aSolution :

`because 19^(9^(4)) = (20 -1)^(9^(4)) = (20-1)^(6521) = - 1 + (6521)xx20 + ` multiple of 100 <br> `= - 1 + 20 + ` multiple of 100 <br> = 19 multiple of 100 <br> ` thereofre ` Last two digits of the number ` 19^(9^(4)) is 19` . **Introduction**

**State & proof Binomial Theorem and Pascal triangle**

**Number of terms in expansion of following
(i) `(2x-3y)^9` (ii) `(2x+3y-4z)^n`**

**Expand `(x^2+2a)^5`; `(2x-3y)^4`;`(1+x+x^2)^3` by binomial theorem**

**(iii) Find an approximate value of `(0.99)^5` using the first three terms of its expansion.**

**Using binomial theorem prove that `(101)^50 gt(100)^50+(99)^50`**

**What is General and middle term in a binomial expansion**

**Term from the end of expansion**

**Coefficient of certain power of variable in binomial**

**finding term independent of variable**