Math, asked by aryansingh2397, 4 months ago

(a+b+c) (a+b-c) solve this plz vry vry imp​

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Answered by charanimukku
1

Answer:  HOPE IT HELPS

Step-by-step explanation: (vili) (a+ b + c)(atb-c)

(atb + c)(a+b-c)

= a(a + b - c) + b(a + b - c) + c(a+ b-c)

= (axa) + (axb) - (axc) + (bxa) +(bxb) - (bxc)

+ (cx a)+(cxb) -(cxc)

= a2 + ab - ac + ba + b2 - bc + ca + cb-c2

= a2 + ab - ac + ab + b2 - bc + ac + bc-c2

= a2 + b2 - c2 + ab + ab - bc + bc- ac + ac

= a2+62 - c2 + 2ab

Answered by faleehamanal
5
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