if root(3^m)=9 the value of root(3^m-^2)
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3^m = 81 (Squaring both the sides)
3^m = 3^4
m = 4 (When bases are equal powers can also be equated).
√3^m-2 = √3^4-2 = √3^2 = 3.
Thanks.
Hope this helps you.
3^m = 3^4
m = 4 (When bases are equal powers can also be equated).
√3^m-2 = √3^4-2 = √3^2 = 3.
Thanks.
Hope this helps you.
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