Question

Find the value of 2/5 ( -3/7) + 2/5 (1/6) *
1. -11/102
2. -11/105
3. 13/112
4. none

Answer 1

$\huge\mathcal\colorbox{Pink}{{\color{blue}{Solution}}}$

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$= > \frac{2}{5}( - \frac{3}{7}) + \frac{2}{5}( \frac{1}{6})$

$= > \frac{2}{5}( - \frac{3}{7} + \frac{1}{6} )$

$= > \frac{2}{5}( \frac{ -18 + 7 }{42} )$

$= > \frac{2}{5} \times \frac{( - 2)}{42}$

$= > \frac{ - 4}{210}$

✎ So the ans is none.

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