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1. Unknown Power
Hello was wondering if someone could help me with this
.
7^t * 4^3t-3 = 4^t+1 * 7^3t-1

Find the value of t

Cheers
2. Re: Unknown Power

This?
3. Re: Unknown Power
Take logarithms; what you get is a linear equation in that can be solved by rearranging.
4. Re: Unknown Power
can you explain this further?
5. I think t = 9?
6. Oh wait no its not, my bad
7. Re: Unknown Power
(Original post by gupta-mhm-mhm-mhm)
I think t = 9?
you're not meant to give solutions...

OP do you know how to take logs? and you can do some obvious rearranging before taking logs
8. Re: Unknown Power
(Original post by dezzi90)
Hello was wondering if someone could help me with this
.
7^t * 4^3t-3 = 4^t+1 * 7^3t-1

Find the value of t

Cheers
9. Re: Unknown Power
i rearranged to 7^(t)-(3t-1)=4^(t+1)-(3t-3)
10. Re: Unknown Power
wouldnt know how to long this i would end up with a few equals signs i would have thought
11. Re: Unknown Power
(Original post by didgeridoo12uk)
you're not meant to give solutions...

OP do you know how to take logs? and you can do some obvious rearranging before taking logs
yeah lol i forgot it was powers, my mistake