Can someone explain to me why... x^7/2 x (x) = x^9/2 ?
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Originally Posted by gideonrichter Can someone explain to me why... x^7/2 x (x) = x^9/2 ? $\displaystyle x^a \cdot x^b=x^{a+b}$
Originally Posted by gideonrichter Can someone explain to me why... x^7/2 x (x) = x^9/2 ? Please use * for multiplication sign...plus brackets when necessary: x^(7/2) * x^1 = x^(7/2) * x^(2/2) = x^(7/2 + 2/2) = x^(9/2)
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