Question

quero com o calculo
pfvr

Answer 1

${y}^{ - 1} \times {y}^{ - 11} \times \frac{ {y}^{15} }{ {y}^{26} }$

${y}^{ - 1} \times {y}^{ - 11} \times {y}^{ - 11}$

${y}^{1} \times {y}^{ - 22}$

${y}^{ - 21}$