give me a solution for this problem
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hey mate her you answer goes!!!!
• (x+y+z)^2 = x2+y2+z2+2(xy+yz+xy.) (Identity)
put down the values
(9)^2= x2+y2+z2+2(40)
81 = x2+y2+z2 +80
x2+y2+z2= 81-80
x2+y2+z2=1
sari the anger of yours question is (option a=1)
hope to like my and is your then please math or add brainliest
thank you
• (x+y+z)^2 = x2+y2+z2+2(xy+yz+xy.) (Identity)
put down the values
(9)^2= x2+y2+z2+2(40)
81 = x2+y2+z2 +80
x2+y2+z2= 81-80
x2+y2+z2=1
sari the anger of yours question is (option a=1)
hope to like my and is your then please math or add brainliest
thank you
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