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Prove-or-disprove-cos-1-1-3-1-2-cos-1-1-3-2pi-2-2-cos-1-1-3-3pi-3-2-0-

Question Number 137637 by Dwaipayan Shikari last updated on 04/Apr/21 $$\boldsymbol{\mathrm{Prove}}\:\boldsymbol{\mathrm{or}}\:\boldsymbol{\mathrm{disprove}} \\ $$$$\frac{{cos}\left(\mathrm{1}+\frac{\mathrm{1}}{\:\sqrt{\mathrm{3}}}\right)\boldsymbol{\pi}}{\mathrm{1}^{\mathrm{2}} }+\frac{{cos}\left(\mathrm{1}+\frac{\mathrm{1}}{\:\sqrt{\mathrm{3}}}\right)\mathrm{2}\pi}{\mathrm{2}^{\mathrm{2}} }+\frac{{cos}\left(\mathrm{1}+\frac{\mathrm{1}}{\:\sqrt{\mathrm{3}}}\right)\mathrm{3}\pi}{\mathrm{3}^{\mathrm{2}} }+…=\mathrm{0} \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com

x-2-p-and-y-2-q-Evaluate-in-terms-of-x-and-or-y-i-2-p-q-ii-2-2q-iii-2-p-1-

Question Number 137634 by mey3nipaba last updated on 04/Apr/21 $${x}=\mathrm{2}^{{p}\:} {and}\:{y}=\mathrm{2}^{{q}\:} .\:{Evaluate}\:{in}\:{terms}\:{of}\:{x}\:{and}/\:{or}\:{y}\: \\ $$$$\left({i}\right)\mathrm{2}^{{p}+{q}} \:\:\left({ii}\right)\:\mathrm{2}^{\mathrm{2}{q}\:} \:\:\:\left({iii}\right)\:\mathrm{2}^{{p}−\mathrm{1}} \\ $$ Answered by mr W last updated on…

A-table-with-three-legs-sits-smoothly-on-every-kind-of-surface-whereas-a-table-with-four-legs-may-not-sit-on-rough-surface-Why-

Question Number 6549 by Rasheed Soomro last updated on 01/Jul/16 $${A}\:{table}\:{with}\:{three}\:{legs}\:{sits}\:{smoothly} \\ $$$${on}\:{every}\:{kind}\:{of}\:{surface},\:{whereas}\:{a} \\ $$$${table}\:{with}\:{four}\:{legs}\:{may}\:{not}\:{sit}\:{on} \\ $$$${rough}\:{surface}.\:{Why}? \\ $$ Terms of Service Privacy Policy Contact:…

The-yearly-requirement-for-a-particular-product-is-16000-units-and-its-unit-price-is-100-00-if-the-holding-cost-is-10-of-the-unit-price-while-its-ordering-cost-is-50-00-calculate-the-amount-of-or

Question Number 6524 by Tawakalitu. last updated on 30/Jun/16 $${The}\:{yearly}\:{requirement}\:{for}\:{a}\:{particular}\:{product}\:{is}\:\mathrm{16000}\:{units} \\ $$$${and}\:{its}\:{unit}\:{price}\:{is}\:\$\mathrm{100}.\mathrm{00},\:{if}\:{the}\:{holding}\:{cost}\:{is}\:\mathrm{10\%}\:{of}\:{the} \\ $$$${unit}\:{price}\:{while}\:{its}\:{ordering}\:{cost}\:{is}\:\$\mathrm{50}.\mathrm{00}\: \\ $$$${calculate}\:{the}\:{amount}\:{of}\:{order}\:{per}\:{annum}. \\ $$$$ \\ $$ Terms of Service Privacy Policy…

A-refrigerator-is-rated-20-watts-of-electricity-which-cost-5k-per-kwh-what-is-the-cost-of-operation-for-20-days-

Question Number 6495 by sanusihammed last updated on 29/Jun/16 $${A}\:{refrigerator}\:{is}\:{rated}\:\mathrm{20}\:{watts}\:{of}\:{electricity}\:{which} \\ $$$${cost}\:\mathrm{5}{k}\:{per}\:{kwh}\:,\:{what}\:{is}\:{the}\:{cost}\:{of}\:{operation}\:{for}\:\mathrm{20}\:{days}. \\ $$ Answered by sandy_suhendra last updated on 30/Jun/16 $$\mathrm{20}\:{days}×\mathrm{24}\:{hour}×\mathrm{20}\:{watts}=\mathrm{9600}\:{wh}=\mathrm{9}.\mathrm{6}{kwh} \\ $$$${it}'{s}\:{cost}=\mathrm{9}.\mathrm{6}×\mathrm{5}{k}=\mathrm{48}{k} \\…