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Author: Tinku Tara

Given-that-p-3i-4j-q-2i-j-and-r-5i-j-Express-vector-r-intrems-of-p-and-q-

Question Number 150362 by otchereabdullai@gmail.com last updated on 11/Aug/21 $$\mathrm{Given}\:\mathrm{that}\:\mathrm{p}=\left(\mathrm{3i}+\mathrm{4j}\right)\:,\:\mathrm{q}=\left(\mathrm{2i}−\mathrm{j}\right)\:\mathrm{and} \\ $$$$\mathrm{r}=\mathrm{5i}−\mathrm{j}.\:\mathrm{Express}\:\:\mathrm{vector}\:\:\:\mathrm{r}\:\:\mathrm{intrems}\:\mathrm{of} \\ $$$$\mathrm{p}\:\mathrm{and}\:\mathrm{q}\:. \\ $$ Answered by mr W last updated on 11/Aug/21 $${say}\:{r}={ap}+{bq}…

Question-84820

Question Number 84820 by Power last updated on 16/Mar/20 Answered by MJS last updated on 16/Mar/20 $$\mathrm{super}\:\mathrm{easy} \\ $$$$\sqrt{\mathrm{2}{x}−\mathrm{5}}={t}\:\Leftrightarrow\:{x}=\frac{\mathrm{1}}{\mathrm{2}}{t}^{\mathrm{2}} +\frac{\mathrm{5}}{\mathrm{2}}\wedge{t}\geqslant\mathrm{0} \\ $$$$\sqrt{\frac{\mathrm{1}}{\mathrm{2}}{t}^{\mathrm{2}} +\frac{\mathrm{5}}{\mathrm{2}}−\mathrm{2}+{t}}+\sqrt{\frac{\mathrm{1}}{\mathrm{2}}{t}^{\mathrm{2}} +\frac{\mathrm{5}}{\mathrm{2}}+\mathrm{2}+\mathrm{3}{t}}=\mathrm{7}\sqrt{\mathrm{2}} \\…

If-x-y-and-z-are-positive-integers-then-determine-the-smallest-positive-integer-N-x-y-z-xy-yz-zx-which-is-bigger-than-2022-

Question Number 150346 by mathdanisur last updated on 11/Aug/21 $$\mathrm{If}\:\:\boldsymbol{\mathrm{x}};\boldsymbol{\mathrm{y}}\:\mathrm{and}\:\boldsymbol{\mathrm{z}}\:\mathrm{are}\:\mathrm{positive}\:\mathrm{integers},\:\mathrm{then} \\ $$$$\mathrm{determine}\:\mathrm{the}\:\mathrm{smallest}\:\mathrm{positive}\:\mathrm{integer} \\ $$$$\boldsymbol{\mathrm{N}}=\mathrm{x}+\mathrm{y}+\mathrm{z}+\mathrm{xy}+\mathrm{yz}+\mathrm{zx},\:\mathrm{which}\:\mathrm{is} \\ $$$$\mathrm{bigger}\:\mathrm{than}\:\mathrm{2022}. \\ $$ Commented by Rasheed.Sindhi last updated on 12/Aug/21…