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AlgebraQuestion and Answers: Page 88
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Question and Answers Forum |
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AlgebraQuestion and Answers: Page 88 |
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| Sachant que A_1 A_2 =10cm: ∡AAB=75^° 1−Determiner l ′angle x 2−Determiner la distance A_1 A6 3−Determiner la hauteur[h]=A_6 B |
| a^2 −b^2 = 4 , ab= 2 , a+b= ? |
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| Prove that: f = 5x^4 + 35x^3 + 28x^2 + 14x + 7 is irreducible in Q[x] |
| p(x)=(1−x)(1+2x)(1−3x)....(1−15x) find the coefficient of the x^3 term in the expansion. |
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| x+y+z=2 x+2y−z=4 2x+y−2z=2 |
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| p(x)=(1−x)(1+2x)(1−3x)....(1+14x)(1−15x) the absolute value of the coefficient of the x^2 in the expression? |
| (122−a)^2 = (123−a)^2 |
| What′s the sum of the odd numbers between 2313 and 4718 |
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| Prouve that R=((L^2 +H^2 )/(2H)) ? |
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| Q 179570 (Posted by Infinityaction 30.10.2022) find the minimum of f(x) f(x)=(√(x^2 +(4/x^2 )−8x−((12)/x)+25)) +(√(x^2 +(4/x^2 )−16x−((16)/x)+80)) −−−−−−−−−−−−−−−−−− f(x)=(√((x−4)^2 +((2/x)−3)^2 )) +(√((x−8)^2 +((2/x)−4)^2 )) Df=R−{0} f(x)≥0 Min(f(x))=x / f(x)=0 (√((x−4)^2 +((2/x)−3)^2 )) +(√((x−8)^2 +((2/x)−4)^2 )) =0 (x−4)^2 +((2/x)−3)^2 =(x−8)^2 +((2/x)−4)^2 (1) x−8=(x−4)−4 and ((2/x)−4)=((2/x)−3)−1 x^2 −((55)/8)x+(1/2)=0 x=0,07351334 and x=6,80148666} x=0,073513334 f(x)=49,044679(rejete) x=6,80148666 f(x)=7,7899055 Donc 7,7899055 est minimum de f(x) |
| ((a+b)/( (√(ab))))=4 then a:b=? |
| cos((2π)/7)=((ab)/c) cos((4π)/7)=((bc)/a) cos((6π)/7)=((ac)/b) faind a^2 +b^2 +c^2 =? |
| If x and y are positive integers and 2x−4y = 3 then find ((16^x )/(256^y )) |
| pleas proof the elipse environment formullah p=π(√(2a^2 +2b^2 )) |
| find the minimum value of function f(x)=(√(x^2 +(4/x^2 )−8x−((12)/x)+25)) + (√(x^2 +(4/x^2 )+−16x−((16)/x)+80)) |
| (2−(√3))^x +(2+(√3))^x =4 x=? |
| a−(1/b)=2cos((2π)/(13)) b−(1/c)=2cos((6π)/(13)) c−(1/a)=2cos((8π)/(13)) prove that (abc)^5 −(1/((abc)^5 ))=11 |
| 22! ≡ x (mod 2024) |
| Evaluer ∫_1 ^2 ((sin (log(x)))/x)dx |