SOLUTION: Prove geometrically, (a-b)(a+b) =(a^2)-(b^2)
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Question 491340
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Prove geometrically, (a-b)(a+b) =(a^2)-(b^2)
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ptth176(50)
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(a-b)(a+b) =(a^2)-(b^2)
(1) (2)
(1)=>a^2-ab+ab-b^2=a^2-b^2
=>(1)=(2)