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Author: Tinku Tara

help-given-total-cost-4x-y-p-1-25-3x-2y-p-2-12-x-y-total-revenue-p-1-x-p-2-y-calculate-a-quantity-sold-for-each-item-to-get-maximum-profit-b-respective-price-for-each-item-c-the-ma

Question Number 86537 by zainal tanjung last updated on 29/Mar/20 $$\mathrm{help}\: \\ $$$$\mathrm{given}\:\mathrm{total}\:\mathrm{cost}=\mathrm{4x}+\mathrm{y} \\ $$$$\mathrm{p}_{\mathrm{1}} =\mathrm{25}−\mathrm{3x}−\mathrm{2y} \\ $$$$\mathrm{p}_{\mathrm{2}} =\mathrm{12}−\mathrm{x}−\mathrm{y} \\ $$$$\mathrm{total}\:\mathrm{revenue}=\mathrm{p}_{\mathrm{1}} \mathrm{x}+\mathrm{p}_{\mathrm{2}} \mathrm{y} \\ $$$$\mathrm{calculate}:…

x-7-dx-1-x-3-1-2-

Question Number 86532 by redmiiuser last updated on 29/Mar/20 $$\int\frac{{x}^{\mathrm{7}} .{dx}}{\left(\mathrm{1}+{x}^{\mathrm{3}} \right)^{\left(\mathrm{1}/\mathrm{2}\right)} } \\ $$ Commented by redmiiuser last updated on 29/Mar/20 $${Can}\:{anyone}\:{solve}\:{this} \\ $$$${in}\:{an}\:{easy}\:{way}.…

If-x-is-a-real-number-and-y-is-equal-to-x-2-1-x-2-x-1-show-that-y-4-3-2-3-

Question Number 152063 by Tawa11 last updated on 25/Aug/21 $$\mathrm{If}\:\:\mathrm{x}\:\:\mathrm{is}\:\mathrm{a}\:\mathrm{real}\:\mathrm{number}\:\mathrm{and}\:\:\:\mathrm{y}\:\:\mathrm{is}\:\mathrm{equal}\:\mathrm{to}\:\:\:\:\:\frac{\mathrm{x}^{\mathrm{2}} \:\:+\:\:\mathrm{1}}{\mathrm{x}^{\mathrm{2}} \:\:+\:\:\mathrm{x}\:\:+\:\:\mathrm{1}}, \\ $$$$\mathrm{show}\:\mathrm{that}\:\:\:\:\:\mid\mathrm{y}\:\:\:−\:\:\:\frac{\mathrm{4}}{\mathrm{3}}\mid\:\:\:\leqslant\:\:\:\frac{\mathrm{2}}{\mathrm{3}} \\ $$ Answered by mr W last updated on 25/Aug/21 $${y}=\frac{{x}^{\mathrm{2}}…

In-the-figure-shown-below-the-block-of-mass-2-kg-is-at-rest-If-the-spring-constant-of-both-the-springs-A-and-B-is-100-N-m-and-spring-B-is-cut-at-t-0-then-magnitude-of-acceleration-of-block-immedi

Question Number 20989 by Tinkutara last updated on 09/Sep/17 $$\mathrm{In}\:\mathrm{the}\:\mathrm{figure}\:\mathrm{shown}\:\mathrm{below},\:\mathrm{the}\:\mathrm{block}\:\mathrm{of} \\ $$$$\mathrm{mass}\:\mathrm{2}\:\mathrm{kg}\:\mathrm{is}\:\mathrm{at}\:\mathrm{rest}.\:\mathrm{If}\:\mathrm{the}\:\mathrm{spring}\:\mathrm{constant} \\ $$$$\mathrm{of}\:\mathrm{both}\:\mathrm{the}\:\mathrm{springs}\:{A}\:\mathrm{and}\:{B}\:\mathrm{is}\:\mathrm{100}\:\mathrm{N}/\mathrm{m} \\ $$$$\mathrm{and}\:\mathrm{spring}\:{B}\:\mathrm{is}\:\mathrm{cut}\:\mathrm{at}\:{t}\:=\:\mathrm{0},\:\mathrm{then} \\ $$$$\mathrm{magnitude}\:\mathrm{of}\:\mathrm{acceleration}\:\mathrm{of}\:\mathrm{block} \\ $$$$\mathrm{immediately}\:\mathrm{is} \\ $$ Commented by Tinkutara…