jermelliang jermelliang 29-03-2022 Mathematics contestada if[tex] \frac{1}{a} - \frac{1}{b} = \frac{1}{c} + \frac{1}{d} [/tex]find the value of c when[tex]a = \frac{1}{2} \: b = \frac{1}{4} \: d = - \frac{1}{5} [/tex]