Tus qauv ntawm (a+b+c)3 yog dab tsi?

2024 Tus sau: Fiona Howard | [email protected]. Kawg hloov kho: 2024-01-10 06:38

(a - b)3= a3 - b3 - 3ab(a - b). 5. (a + b + c)2=a2 + b2 + c2 + 2ab + 2bc + 2ca. 6.

A3 b3 c3 yog dab tsi?

(a3 + b3 + c3 - 3abc)=( a + b + c)(a2 + b2 + c2 - ab - bc - ac) 13. Thaum ib b + c=0, then a3 + b3 + c3=3abc 14.

ABC 2 yog dab tsi?

(a - b - c)² cov mis nyeem yog rho tawm b rho tawm c tag nrho square. Nws nthuav tawm yog (a - b - c) ²=a² + b^{2+ c}2 ^{- 2ab + 2bc - 2ca}.

3b 3 mis yog dab tsi?

The a³ - b³ tus qauv no kuj yog lub npe hu ua ib qho tseem ceeb ntawm cov lej lej. Nws yog nyeem raws li lub voos xwmfab rho tawm b lub voos xwmfab. Its a³ - b³ formula is expressed as a 3 ^{- b} 3^{=(a - b) (a}2 ^{+ ab + b}2⁾.

A +B 3 yog dab tsi?

The (a + b)^3 tus qauv yog siv los nrhiav lub voos xwmfab ntawm binomial. Cov qauv no yog: … ib qho ntawm cov cim algebraic. tus qauv rau lub voos xwmfab ntawm cov lej ntawm ob nqe lus.