If 7^{3x+1}=49^{x+2},then x=

AP ICET 2015 Paper

Question : 78 of 200

Marks: +1, -0

7^{3x+1}=49^{x+2}

,then

x=

Solution:

Given :

7^{3x+1}=49^{x+2}

⇒7^{3x+1}=7^{2(x+2)}

⇒3x+1=2(x+2)=2x+4⇒x=3

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