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#1
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á¡éÊÁ¡ÒÃÃÒ¡äÁèà»ç¹¤ÃѺ ªèÇÂáÊ´§ÇÔ¸Õ·Ó˹è͹èЧѺ
1. ¤èҢͧ x ¨Ò¡ÊÁ¡Òà à·èҡѺà·èÒã´
------------------------------------------------------------------------ 2. ¨§ËÒ¤èҢͧ x+2 ¨Ò¡ÊÁ¡Òà |
#2
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1. ä´é$\sqrt{12+4\sqrt{x+4} }=4 $
¡ÓÅѧÊͧ·Ñé§Êͧ¢éÒ§ ËÒà 4 ·Ñé§ÊÁ¡Òà ä´é $3+\sqrt{x+4}=4 $ $\sqrt{x+4}= 1$ $x+4 = 1$ $x = -3$ ¢éÍ·ÕèàËÅ×Í¡ç¤ÅéÒÂæ¡Ñ¹¹Ð¤ÃѺ |
#3
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¢éÍ 2 Áͧ 2x+3 à»ç¹ $a^2$ ¨Ð§èÒ¢Öé¹ÁÒ¡¤ÃѺ
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"Love is the flower ,you have got to let it grow" JOHN LENNON |
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