2x^2 *2x^-2 what could be the answer?

2006-12-07 3:29 pm

回答 (5)

2006-12-07 3:55 pm
✔ 最佳答案
2x^2 *2x^-2=4

because....can be writen as 2*2(x^2 *x^-2)
however...x^2 *x^-2=1
so....2*2(1)
therefore the answer is 4....
2006-12-07 3:46 pm
4
2006-12-07 3:42 pm
2x^2 * 2(x^-2)=2x^2 * 2(1/X^2)= 2*2 (x^2/x^2)=4
2006-12-07 3:39 pm
= 2x^4 - 2.
2006-12-07 3:34 pm
4


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