What are the standard identies of algebra for class 8?
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•(a+b)^2 = a^2+b^2+2ab
•(a-b)^2= a^2 +b^2 -2ab
• (a+b)(a-b)=a^2-b^2
•(x+a)(x+b)= x^2 +(a+b)x+ a*b
•(a-b)^2= a^2 +b^2 -2ab
• (a+b)(a-b)=a^2-b^2
•(x+a)(x+b)= x^2 +(a+b)x+ a*b
Sudowoodo:
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Answer: (a+b)2 = a2 + b2 +2ab
a2 - b2 = (a+b) (a-b)
(a-b)2 = a2 + b2 - 2ab
Step-by-step explanation:
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