Question

hii every one can u tell me all four identities of algebra​

Answer 1

Answer:

(a+b)2=a 2+2ab+b2

(a-b)2=a2-2ab+be

(a+b)(a-b)=a2-b2

(x+a)(x+b)=x2+(a+b)x+ab

Answer 2

Answer:

• Identity I: (a + b)2 = a2 + 2ab + b2

• Identity II: (a – b)2 = a2 – 2ab + b2

• Identity III: a2 – b2= (a + b)(a – b)

• Identity IV: (x + a)(x + b) = x2 + (a + b) x + ab

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