Category: Algebra

Question Number 149188 by mathdanisur last updated on 03/Aug/21 $$f\left(x\right)={ax}^{99}+{bx}^{77}+{cx}^{55}+975$$$$f(-975)=1000$$$$findf\left(975\right)=?$$ Answered by mr W last updated…

Question Number 149180 by mathdanisur last updated on 03/Aug/21 Answered by Kamel last updated on 03/Aug/21 $${L}=\underset{{n}\rightarrow+\infty} {{lim}e}^{{nLn}\left(\underset{{k}=\mathrm{1}} {\overset{{n}} {\sum}}\frac{\mathrm{1}}{\:\sqrt{{n}^{\mathrm{2}} +{k}}}\right)} =\underset{{n}\rightarrow+\infty} {{lim}e}^{{nLn}\left(\frac{\mathrm{1}}{{n}}\underset{{k}=\mathrm{1}} {\overset{{n}} {\sum}}\frac{\mathrm{1}}{\:\sqrt{\mathrm{1}+\frac{{k}}{{n}^{\mathrm{2}}…

Question Number 149163 by mathdanisur last updated on 03/Aug/21 $$Q\left[\sqrt{3}\right]/kerfdefinethecircular$$$$elementoftheunit$$ Terms of Service Privacy Policy Contact: info@tinkutara.com

Question Number 149155 by gsk2684 last updated on 03/Aug/21 $$findthecoefficientof{x}^{50}inthe$$$${(1+x)}^{1000}+2x{(1+x)}^{999}+3x^2{(1+x)}^{998}+\dots \mathrm{\infty }$$ Terms of Service Privacy Policy Contact:…

Question Number 149150 by mathdanisur last updated on 03/Aug/21 $$\int ln\left(cosx\right)dx=?$$ Answered by puissant last updated on 03/Aug/21 $$\mathrm{K}=\mathrm{xln}\left(\mathrm{cosx}\right)+\int \mathrm{xtanxdx}$$$$=\mathrm{xln}\left(\mathrm{cosx}\right)+\int\mathrm{x}\underset{\mathrm{n}=\mathrm{1}} {\overset{\infty} {\sum}}\mid\mathrm{B}_{\mathrm{2n}} \mid\frac{\mathrm{2}^{\mathrm{2n}}…