svp!!! pouvez vous m'aider????

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svp!!! pouvez vous m'aider????

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Choose the right variant of paraphrasing Direct Speech into Indirect one. «Why hasn’t he locked the car door?» the policeman said. А) The policeman asked why

Deux villes A et B sont distantes de 450 km. Au même instant : - un automobiliste part de A et se dirige vers B, sa voiture consomme 7 litres aux 100 km - un au

Choose the right variant of paraphrasing Direct Speech into Indirect one. «Why hasn’t he locked the car door?» the policeman said. А) The policeman asked why

Bonjour , je ne comprend pas ces exercice , vous pouvez me les traduire svppp I saw your brother this afternoon. He (…) his hair cut in the new St James stre

ALGEBRES LINEAIRES calculer x1, x2, x3, x4 et x5 dans les suites suivantes : a) x0 = 0; x1 = 1; xn = xn-1 + 2x-n2; b) x0 = 1; x1 = 1; xn = xn-1 + x-n2; le p

Choose the right variant of paraphrasing Direct Speech into Indirect one. «Why hasn’t he locked the car door?» the policeman said. А) The policeman asked why

ALGEBRE LINEAIRE calculer x1, x2, x3, x4 et x5 dans les suites suivantes : a) x0 = 0; x1 = 1; xn = xn-1 + 2xn-2; b) x0 = 1; x1 = 1; xn = xn-1 + xn-2; ce que j

ALGEBRES LINEAIRES calculer x1, x2, x3, x4 et x5 dans les suites suivantes : a) x0 = 0; x1 = 1; xn = xn-1 + 2x-n2; b) x0 = 1; x1 = 1; xn = xn-1 + x-n2; le p

ISAPAUL ISAPAUL · Answer 1 · 2013-11-17T17:42:14+01:00

ISAPAUL ISAPAUL

17-11-2013

Bonsoir
(7+2V3)² = 49 + (2V3)² + 2(14V3) = 49 + 12 + 28V3 = 61 + 28V3
(5-3V2)² = 25 + (3V2)² -2(15V2) = 25 +18 - 30V2 = 43 - 30V2
(3V7 + 4)² = (3V7)² + 16 + 2(12V7) = 63 + 16 + 24V7 = 79 + 24V7
donc
a = V(79+24V7) = V(3V7+4)² = 3V7 + 4
b = V(43-30V2) = V(5-3V2)² = 5 - 3V2
c = V(61+28V3) = V( 7+2V3)² = 7+2V3

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