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how-many-square-in-a-chess-board-

Question Number 43224 by tanmay.chaudhury50@gmail.com last updated on 08/Sep/18 $${how}\:{many}\:{square}\:{in}\:{a}\:{chess}\:{board}. \\ $$ Answered by ajfour last updated on 08/Sep/18 $$\mathrm{64}+\mathrm{49}+\mathrm{36}+\mathrm{25}+\mathrm{16}+\mathrm{9}+\mathrm{4}+\mathrm{1} \\ $$$$\:\:\:\:\:=\:\frac{\mathrm{8}×\mathrm{9}×\mathrm{17}}{\mathrm{6}}\:=\:\mathrm{204}\:. \\ $$ Commented…

Question-43072

Question Number 43072 by Raj Singh last updated on 07/Sep/18 Answered by tanmay.chaudhury50@gmail.com last updated on 07/Sep/18 $$\mathrm{3}^{\mathrm{50}} \left(\mathrm{3}^{\mathrm{49}} −\mathrm{1}\right) \\ $$$$\mathrm{3}^{\mathrm{1}} \rightarrow{unit}\:{term}\:{is}\:\mathrm{3} \\ $$$$\mathrm{3}^{\mathrm{2}}…

Question-42878

Question Number 42878 by Raj Singh last updated on 04/Sep/18 Answered by tanmay.chaudhury50@gmail.com last updated on 04/Sep/18 $$\left({sp}\right)_{\mathrm{1}} =\mathrm{4225}\:\:\:\left({cp}\right)_{\mathrm{1}} =\frac{\mathrm{100}×\mathrm{4225}}{\mathrm{116}} \\ $$$$\left({sp}\right)_{\mathrm{2}} =\mathrm{4225}\:\:\left({cp}\right)_{\mathrm{2}} =\frac{\mathrm{100}×\mathrm{4225}}{\mathrm{84}} \\…

solving-ax-4-bx-3-cx-2-dx-e-0-a-0-b-c-d-e-Q-special-cases-easy-to-solve-ax-4-e-0-solve-at-2-e-0-x-t-1-2-ax-4-cx-2-e-0-solve-at-2-ct-e-0-x-

Question Number 42826 by MJS last updated on 03/Sep/18 $$\mathrm{solving} \\ $$$${ax}^{\mathrm{4}} +{bx}^{\mathrm{3}} +{cx}^{\mathrm{2}} +{dx}+{e}=\mathrm{0} \\ $$$$\left({a}\neq\mathrm{0},\:{b},\:{c},\:{d},\:{e}\right)\in\mathbb{Q} \\ $$$$ \\ $$$$\:\:\:\:\:\:\:\:\:\:\mathrm{special}\:\mathrm{cases}\:\left(\mathrm{easy}\:\mathrm{to}\:\mathrm{solve}\right) \\ $$$$\:\:\:\:\:\:\:\:\:\:{ax}^{\mathrm{4}} +{e}=\mathrm{0}\:\mathrm{solve}\:{at}^{\mathrm{2}} +{e}=\mathrm{0}\:\Rightarrow\:{x}=\pm\sqrt{{t}_{\mathrm{1},\:\mathrm{2}}…

my-mother-fell-down-and-broke-waist-so-i-ambusy-for-mother-age-85-i-am-now-kolkata-for-mother-

Question Number 42775 by tanmay.chaudhury50@gmail.com last updated on 02/Sep/18 $${my}\:{mother}\:{fell}\:{down}\:{and}\:{broke}\:{waist}…{so}\:{i}\:{ambusy} \\ $$$${for}\:{mother}…{age}\:\mathrm{85}…{i}\:{am}\:{now}\:{kolkata}\:{for}\:{mother} \\ $$ Commented by MJS last updated on 02/Sep/18 $$\mathrm{sorry}\:\mathrm{to}\:\mathrm{hear}\:\mathrm{this},\:\mathrm{sending}\:\mathrm{blessings}! \\ $$ Commented…