Answer:
please answer me fast
We need to expand (x+2y+4z) 2
We know appropriate identity (x+y+z) 2 =x
2
+y
+z
+2xy+2yz+2xz
Therefore, the value of (x+2y+4z)
is
=x
+(2y)
+(4z)
+2(x)(2y)+2(2y)(4z)+2(x)(4z)
+4y
+16z
+4xy+16yz+8xz
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Answer:
please answer me fast
Answer:
We need to expand (x+2y+4z) 2
We know appropriate identity (x+y+z) 2 =x
2
+y
2
+z
2
+2xy+2yz+2xz
Therefore, the value of (x+2y+4z)
2
is
=x
2
+(2y)
2
+(4z)
2
+2(x)(2y)+2(2y)(4z)+2(x)(4z)
=x
2
+4y
2
+16z
2
+4xy+16yz+8xz