Matrix multiplication may be confusing for newbies, this video is easy to understand step-by-step guide on how to multiply matrix. Go thru the video once or twice ( if you are still blur), then try multiplying the numbers yourself (without looking at the video). If you get it correct, congrats. If not, watch the video again and try until you get it correct.

Differentiate $latex \displaystyle\ y=\frac{{{{x}^{2}}\sqrt{{x+1}}}}{{x-1}}$ with respect to x. Simplify the Numerator (otherwise you need to use both quotient rule for