factorise 2x²+ y² + 8z²
Answers
Answered by
1
= 1²(2x+y+8z)
Step-by-step explanation:
2x²+ y² + 8z²
= 1²(2x+y+8z)
Answered by
8
(-√2x+y+2√2z)^2
Step-by-step explanation:
2x² + y² 8z² - 2√2 xy +4√2yz- 8xz
=>(-√2x)^2+(y)^2+(2√2z)^2+2*(-√2x)*y+2*(y)*(2√2z)
+2*(2√2z)*(-√2x)
=>(-√2x+y+2√2z)^2
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