Significant Figures

Updates ...

Visit the website 123iitjee.manishverma.site for latest posts, courses, admission & more.
For guest/sponsored article(s), please check this link.

Significant Figures

Q: What is the no. of significant figures of an exact number?

A: An exact number has infinite number of signicant figures as it is known for sure and therefore there is no question of doubful digit.

Sum of the coefficients in the expansion of $(x+y)^n$ ....

If the sum of the coefficients in the expansion of $(x+y)^n$ is 4096, then the greatest coefficient in the expansion is _ _ _ _ . Solution $C_0 + C_1 + C_2 + C_3 + ......................... + C_n =4096 $ $\therefore 2^n = 4096 =2^{12} $ $\Rightarrow n = 12 $ Greatest coefficient = ${}^{12}{C_6} = 924$

Sound Engineering

Search This Blog

Updates ...

Significant Figures

Popular posts from this blog

Sum of the coefficients in the expansion of $(x+y)^n$ ....