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If 3^3x-1= 9=27 find the value of(i) x (ii) 5x |
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Answer» Given, 3 x ×27 x =9 x+4 ⇒3 x ×(3) 3x =3 [2(x+4)] ⇒3 4x =3 2(x+4) .....USING a m ×a N =a m+n As the bases are EQUAL i.e. 3, their POWERS MUST be equal.Therefore, 4x=2x+8 ⇒2x=8⇒x=4 |
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