[5xy-4yz+2zx]²
Can anybody tell me the ans step by step please.?
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Answered by
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Answer:
[5xy-4yz+2zx]2
Step-by-step explanation:
(a+b+c)2=a2+b2+c2+2ab+2bc+2ca
=[(5xy)2+(-4yz)2+(2zx)2+2(5xy)(-4yz)+2(-4yz)(2zx)
+2(2zx)(5xy)
=[25x2y2+16y2z2+4z2x2-xy2z-xyz2+20x2yz]=ANSWER
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