CBSE Class 7 Answered
The product of two no is -81/91 if one of the no is -9/7 find the other no
Asked by sakthicb26102007 | 10 Mar, 2020, 20:53: PM
Let the other number be x.
According to the condition, we have
![begin mathsize 16px style fraction numerator negative 9 over denominator 7 end fraction cross times space straight x equals space fraction numerator negative 81 over denominator 91 end fraction
rightwards double arrow straight x space equals space fraction numerator negative 81 over denominator 91 end fraction cross times fraction numerator 7 over denominator negative 9 end fraction space equals space 9 over 13 end style](https://images.topperlearning.com/topper/tinymce/cache/80ee3639d0c63637d9b529d6af441ad7.png)
Answered by Yasmeen Khan | 11 Mar, 2020, 10:57: AM
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