Question

The product of two rational no. is (-15/7). If one of the them is (-10/21), then find the no.

Answer 1

Answer:

Hey mate, Good morning ❤

☯️Here's ur answer...☆☆☆

Step-by-step explanation:

$\huge{ \pink{ \mid{ \underline{ \overline{ \bf{ \orange{answer...}}}}}}}$

${ \large{let \: the \: other \: no. \: be \: \red{ x}}} \\ = > { \large{ \frac{ - 10}{21} \times x = \frac{ - 15}{7} }} \\ = > \large{x = \frac{ - 15}{7} \div \frac{ - 10}{21} } \\ = > \large{x = \frac{ - 15}{7} \times \frac{21}{ - 10} } \\ \large = > x = \frac{3 \times 3}{2} \\ \large{ \red{ = > x = \frac{9}{2} }} (\blue{answer...})$

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Answer 2

Answer:

9/2

Step-by-step explanation:

suppose another no is p

so

p×(-10/21)=(-15/7)

p=(-15/7)×(21/-10)

p=9/2