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find-or-prove-it-can-t-exist-a-f-R-R-diferentiable-such-that-a-a-f-x-dx-0-a-R-gt-0-df-dx-0-x-R-

Question Number 56205 by 121194 last updated on 12/Mar/19 $$\mathrm{find}\:\left(\mathrm{or}\:\mathrm{prove}\:\mathrm{it}\:\mathrm{can}'\mathrm{t}\:\mathrm{exist}\right)\:\mathrm{a}\:{f}:\mathbb{R}\rightarrow\mathbb{R}\:\mathrm{diferentiable} \\ $$$$\mathrm{such}\:\mathrm{that} \\ $$$$\underset{{a}−\delta} {\overset{{a}+\delta} {\int}}{f}\left({x}\right){dx}=\mathrm{0},\forall{a}\in\mathbb{R},\delta>\mathrm{0} \\ $$$$\frac{{df}}{{dx}}=\mathrm{0},\forall{x}\in\mathbb{R} \\ $$ Answered by MJS last updated…

There-was-a-post-some-time-back-for-failed-import-Can-u-please-resend-the-email-Email-address-to-be-used-is-info-tinkutara-com-Thanks-

Question Number 56190 by Tinku Tara last updated on 11/Mar/19 $$\mathrm{There}\:\mathrm{was}\:\mathrm{a}\:\mathrm{post}\:\mathrm{some}\:\mathrm{time}\:\mathrm{back} \\ $$$$\mathrm{for}\:\mathrm{failed}\:\mathrm{import}.\:\mathrm{Can}\:\mathrm{u}\:\mathrm{please} \\ $$$$\mathrm{resend}\:\mathrm{the}\:\mathrm{email}?\:\mathrm{Email}\:\mathrm{address} \\ $$$$\mathrm{to}\:\mathrm{be}\:\mathrm{used}\:\mathrm{is}\:\mathrm{info}@\mathrm{tinkutara}.\mathrm{com} \\ $$$$\mathrm{Thanks} \\ $$ Terms of Service Privacy…

Question-56165

Question Number 56165 by Tawa1 last updated on 11/Mar/19 Answered by tanmay.chaudhury50@gmail.com last updated on 11/Mar/19 $${A}=\mathrm{6}{cos}\mathrm{36}^{\mathrm{0}} {i}+\mathrm{6}{sin}\mathrm{36}^{{o}} {j} \\ $$$${B}=−\mathrm{7}{i} \\ $$$${A}+{B}=\left(\mathrm{6}{cos}\mathrm{36}^{{o}} −\mathrm{7}\right){i}+\mathrm{6}{sin}\mathrm{36}^{\mathrm{0}} {j}…

Q-FACTORIZE-1-9x-2-12xy-4y-2-2-25x-2-20xy-16y-2-3-36x-2-42xy-49y-2-VISHAL-

Question Number 121697 by Vishal Sharma last updated on 11/Nov/20 $$\:\mathbb{Q}.\:\mathbb{FACTORIZE}− \\ $$$$\:\left(\mathrm{1}\right)\:\mathrm{9x}^{\mathrm{2}} +\mathrm{12xy}+\mathrm{4y}^{\mathrm{2}} \\ $$$$\:\left(\mathrm{2}\right)\:\mathrm{25x}^{\mathrm{2}} −\mathrm{20xy}+\mathrm{16y}^{\mathrm{2}} \\ $$$$\:\left(\mathrm{3}\right)\:\mathrm{36x}^{\mathrm{2}} +\mathrm{42xy}+\mathrm{49y}^{\mathrm{2}} \\ $$$$\:\:\:\:\:\:\:\:\:\bigstar\bigstar\mathbb{VISHAL}\bigstar\bigstar \\ $$ Answered…