Menu Close

Category: Others

IF-THE-SUM-OF-p-TERMS-OF-AN-A-P-IS-EQUAL-TO-SUM-OF-ITS-q-TERMS-PROVE-THAT-THE-SUM-OF-p-q-TERMS-OF-IT-IS-EQUAL-TO-0-ZERO-

Question Number 80159 by Mr. AR last updated on 31/Jan/20 $$\boldsymbol{{IF}}\:\:\boldsymbol{{THE}}\:\:\:\boldsymbol{{SUM}}\:\:\:\boldsymbol{{OF}}\:\:\:\boldsymbol{{p}}\:\:\boldsymbol{{TERMS}} \\ $$$$\boldsymbol{{OF}}\:\:\boldsymbol{{AN}}\:\:\:\:\boldsymbol{{A}}.\boldsymbol{{P}}.\:\:\:\boldsymbol{{IS}}\:\:\:\boldsymbol{{EQUAL}}\:\:\boldsymbol{{TO}} \\ $$$$\boldsymbol{{SUM}}\:\:\boldsymbol{{OF}}\:\:\:\boldsymbol{{ITS}}\:\:\:\boldsymbol{{q}}\:\:\:\boldsymbol{{TERMS}}.\:\: \\ $$$$\boldsymbol{{PROVE}}\:\:\boldsymbol{{THAT}}\:\:\boldsymbol{{THE}}\:\:\boldsymbol{{SUM}}\:\:\boldsymbol{{OF}} \\ $$$$\left(\boldsymbol{{p}}+\boldsymbol{{q}}\right)\:\:\boldsymbol{{TERMS}}\:\:\boldsymbol{{OF}}\:\:\:\boldsymbol{{IT}}\:\:\:\boldsymbol{{IS}}\:\:\: \\ $$$$\boldsymbol{{EQUAL}}\:\:\boldsymbol{{TO}}\:\:\mathrm{0}\left(\boldsymbol{{ZERO}}\right). \\ $$ Commented by…

When-the-father-was-son-s-age-the-son-was-ten-years-old-when-the-son-will-be-father-s-age-the-father-will-be-seventy-What-are-their-ages-

Question Number 80088 by Henri Boucatchou last updated on 30/Jan/20 $$\:{When}\:\:{the}\:\:{father}\:\:{was}\:{son}'{s}\:\:{age},\:\:{the}\:\:{son} \\ $$$$\:\:{was}\:\:{ten}\:\:{years}\:\:{old};\:\:{when}\:\:{the}\:\:{son}\:\:{will}\:\:{be}\:\:{father}'{s}\:\:{age}, \\ $$$$\:\:{the}\:\:{father}\:\:{will}\:\:{be}\:\:{seventy}. \\ $$$$\:\:{What}\:\:{are}\:\:{their}\:\:{ages}\:\:? \\ $$ Terms of Service Privacy Policy Contact:…

Question-14479

Question Number 14479 by tawa tawa last updated on 01/Jun/17 Answered by b.e.h.i.8.3.4.1.7@gmail.com last updated on 01/Jun/17 $${ln}\left(\mathrm{1}+{tg}^{\mathrm{2}} {x}\right)={ln}\frac{\mathrm{1}}{{cos}^{\mathrm{2}} {x}}=−{lncos}^{\mathrm{2}} {x}=−\mathrm{2}{lncosx}. \\ $$$${a}^{\frac{\mathrm{3}}{\mathrm{2}}{log}_{\sqrt{{a}}} ^{\left({secx}\right)} }…