3by 7 whole power 4 x 3 by 7 whole power 5 is equal to 3 by 7 whole power 3m-3 ?
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Answer:
(3/7)^4 * (3/7)^5 = (3/7)^3m-3
(as bases are equal on LHS side, powers should be added)
(3/7)^4+5 = (3/7)^3m-3
(as bases are equal, powers are also equal)
4+5 = 3m-3
9 = 3m-3
3m = 9+3
3m = 12
m = 12/3
m = 4
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