![a) Se considera numarulA=1+2+... +10+10x(2^0+2^3+2^4+2^5)Demonstrati ca A este patrat perfect si calculati - Brainly.ro a) Se considera numarulA=1+2+... +10+10x(2^0+2^3+2^4+2^5)Demonstrati ca A este patrat perfect si calculati - Brainly.ro](https://ro-static.z-dn.net/files/d61/bef6fe3fc87af17261f088c72dc69c7d.png)
a) Se considera numarulA=1+2+... +10+10x(2^0+2^3+2^4+2^5)Demonstrati ca A este patrat perfect si calculati - Brainly.ro
![Aflati n apartine N,stiind ca: a)3 la puterea 15+16+17+...+59=(27 la puterea n)la puterea 5 b)5 la - Brainly.ro Aflati n apartine N,stiind ca: a)3 la puterea 15+16+17+...+59=(27 la puterea n)la puterea 5 b)5 la - Brainly.ro](https://ro-static.z-dn.net/files/d9a/89697a121fea3a590121c04a5b26a517.jpg)
Aflati n apartine N,stiind ca: a)3 la puterea 15+16+17+...+59=(27 la puterea n)la puterea 5 b)5 la - Brainly.ro
![A = { x apartine R | | x - 2 | <4 } si B = { x apartine R | -1 < sau egal 3x + 5/4 < 5 } - Brainly.ro A = { x apartine R | | x - 2 | <4 } si B = { x apartine R | -1 < sau egal 3x + 5/4 < 5 } - Brainly.ro](https://ro-static.z-dn.net/files/d98/83094896a261c861db9e46be264b6be2.jpg)
A = { x apartine R | | x - 2 | <4 } si B = { x apartine R | -1 < sau egal 3x + 5/4 < 5 } - Brainly.ro
![Calculați sin x stiind ca x apartine lui (0 pi supra 2 ) si cos x = radical din 3 supra 2 - Brainly.ro Calculați sin x stiind ca x apartine lui (0 pi supra 2 ) si cos x = radical din 3 supra 2 - Brainly.ro](https://ro-static.z-dn.net/files/d68/02f6e5b9f74438e96026967389c1481c.jpg)
Calculați sin x stiind ca x apartine lui (0 pi supra 2 ) si cos x = radical din 3 supra 2 - Brainly.ro
![Se dau numerele x,y care satisfac egalitatile x+1/x=2 respectiv y+1/y=-2 a)Calculati x^2+1/x^2 b)Calculati - Brainly.ro Se dau numerele x,y care satisfac egalitatile x+1/x=2 respectiv y+1/y=-2 a)Calculati x^2+1/x^2 b)Calculati - Brainly.ro](https://ro-static.z-dn.net/files/dbe/85cbde32b548feb80bdb72154503a313.jpg)
Se dau numerele x,y care satisfac egalitatile x+1/x=2 respectiv y+1/y=-2 a)Calculati x^2+1/x^2 b)Calculati - Brainly.ro
![25. Calculati valoarea reala a numarului E = x^2 + y^2 - 2xy - 5x - 5y -2(7-2xy) stiind ca x, y apartine de - Brainly.ro 25. Calculati valoarea reala a numarului E = x^2 + y^2 - 2xy - 5x - 5y -2(7-2xy) stiind ca x, y apartine de - Brainly.ro](https://ro-static.z-dn.net/files/daa/8d0aa99af83d2acd515f7613830259b6.jpg)