Algebra – Page 804

prove-that-they-are-infinitely-many-primes-

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Question Number 80503 by Rio Michael last updated on 03/Feb/20 $prove that they are infinitely many$ $primes$ Answered by MJS last updated on 03/Feb/20 $$\mathrm{if}\:\mathrm{there}\:\mathrm{are}\:{n}\:\mathrm{primes},\:{p}_{\mathrm{1}} ,\:{p}_{\mathrm{2}} ,\:…\:{p}_{{n}}…

Solve-for-a-b-and-c-a-b-c-1-2-i-abc-1-4-iii-ab-ac-bc-3-2-iv-

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Question Number 80493 by TawaTawa last updated on 03/Feb/20 $Solve for a, b and c$ $a + b + c = \frac{1}{2} \dots . . (i)$ $abc = - \frac{1}{4} \dots \dots (iii)$ $ab + ac + bc = \frac{3}{2} \dots \dots (iv)$ Commented by mr W last updated on…

Question-146013

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Question Number 146013 by mathdanisur last updated on 10/Jul/21 Terms of Service Privacy Policy Contact: info@tinkutara.com

1-4-1-12-1-24-1-2n-n-1-

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Question Number 146009 by iloveisrael last updated on 10/Jul/21 $\frac{1}{4} + \frac{1}{12} + \frac{1}{24} + \dots + \frac{1}{2 n (n + 1)} = ?$ Answered by puissant last updated on 10/Jul/21 $= \underset{k = 1}{\sum^{n}} \frac{1}{2 k (k + 1)}$ $$=\frac{\mathrm{1}}{\mathrm{2}}\underset{\mathrm{k}=\mathrm{1}} {\overset{\mathrm{n}}…

Soit-p-End-E-on-pose-q-id-E-p-a-montrer-que-p-est-un-projecteur-si-et-seulement-si-q-est-un-projecteur-b-on-suppose-que-p-est-un-projecteur-et-on-considere-L-f-End-E-u-End-E-f-u-p-et-M-g

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Question Number 146001 by puissant last updated on 10/Jul/21 $Soit p \in End (E) . on pose q = {id}_{E} - p$ $a) montrer que p est un projecteur si et$ $seulement si q est un projecteur . .$ $b) on suppose que p est un projecteur et on$ $considere L = {f \in End (E) / \exists u \in End (E), f = u \circ p}$ $et M = {g \in End (E) / \exists v \in End (E), g = v \circ q} .$ $montrer que L et M sont des sous espaces$ $$\mathrm{vectoriels}\:\mathrm{supplementaires}\:\mathrm{de}\:\mathrm{End}\left(\mathrm{E}\right)..…

F-et-G-deux-sous-espaces-vectoriels-de-E-a-montrer-que-F-G-F-G-F-G-b-quand-dit-on-que-les-deux-sous-espaces-vectoriels-F-et-G-sont-supplementaires-

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Question Number 146004 by puissant last updated on 10/Jul/21 $F et G deux sous espaces vectoriels de E$ $a) montrer que (F \cap G = F + G) \Leftrightarrow (F = G)$ $b) quand dit - on que les deux sous espaces$ $vectoriels F et G sont supplementaires ?$ Answered by Olaf_Thorendsen last updated on 10/Jul/21…

find-the-sum-of-x-2x-2-3x-3-4x-4-5x-5-6x-6-where-x-lt-1-

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Question Number 145996 by iloveisrael last updated on 10/Jul/21 $find the sum of$ $x - {2 x}^{2} + {3 x}^{3} - {4 x}^{4} + {5 x}^{5} - {6 x}^{6} + \dots$ $where ∣ x ∣ < 1$ Answered by mathmax by…

Hello-All-of-You-verry-Nice-Day-God-bless-You-love-peace-and-happiness-Solve-for-x-y-R-2-x-2-y-2-2x-3y-1-x-4-y-4-4x-2-9y-2-12xy-2x-2-y-2-18-

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Question Number 80448 by mind is power last updated on 03/Feb/20 $H e l l o A l l o f Y o u v e r r y N i c e D a y, G o d b l e s s Y o u l o v e p e a c e a n d$ $h a p p i n e s s$ $S o l v e f o r (x, y) \in R^{2}$ $$\begin{cases}{{x}^{\mathrm{2}} +{y}^{\mathrm{2}} =\mathrm{2}{x}+\mathrm{3}{y}+\mathrm{1}}\{{x}^{\mathrm{4}} +{y}^{\mathrm{4}} =\mathrm{4}{x}^{\mathrm{2}} +\mathrm{9}{y}^{\mathrm{2}} +\mathrm{12}{xy}+\mathrm{2}{x}^{\mathrm{2}}…

0-6-36-x-2-6-x-dx-

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Question Number 145975 by mathdanisur last updated on 09/Jul/21 $\underset{0}{\int^{6}} [\sqrt{36 - x^{2}} - (6 - x)] d x = ?$ Answered by puissant last updated on 09/Jul/21 $x = 6 \sin (t) \Rightarrow dx = 6 \cos (t) dt$ $$\mathrm{I}=\mathrm{6}\int_{\mathrm{0}}…

find-the-solution-of-4-x-2-x-x-3-4x-

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Question Number 80433 by jagoll last updated on 03/Feb/20 $f i n d t h e s o l u t i o n o f$ $\sqrt{4 - x} - 2 ⩽ x ∣ x - 3 ∣ + 4 x$ Commented by john santu last updated on 03/Feb/20 $(1) 4 - x ⩾ 0 \Rightarrow x ⩽ 4$ $$\left(\mathrm{2}\right)\sqrt{\mathrm{4}−{x}\:}\leqslant{x}\mid{x}−\mathrm{3}\mid+\mathrm{4}{x}+\mathrm{2}…

Category: Algebra