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icang [17]
3 years ago
11

7^x^2=9^x how do I solve this using logs

Mathematics
1 answer:
Rina8888 [55]3 years ago
4 0
Apply lg on both sides.
lg7^x^2 = lg9^x
Bring the power forward.
x^2lg7 = xlg9
x^2/x = lg9/lg7
x = lg9/lg7 = 1.13
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