9 to the power x plus 2 equal to 720 plus 9 to the power x
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9^(n+2)=(720+9)ⁿ
=9^(n+2)=729ⁿ
=9^(n+2)=9³ⁿ
Since, base are same powers must be equal.
:.n+2=3n
2=3n-n
2=2n
2/2=n
N=1
(ÆÑẞWĒR)
#Mãrk åß thē Brāìñlïêßt
Rëgàrdß
Tèám Kâñçhä
=9^(n+2)=729ⁿ
=9^(n+2)=9³ⁿ
Since, base are same powers must be equal.
:.n+2=3n
2=3n-n
2=2n
2/2=n
N=1
(ÆÑẞWĒR)
#Mãrk åß thē Brāìñlïêßt
Rëgàrdß
Tèám Kâñçhä
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