Question Number 10124 by konen last updated on 25/Jan/17

x=4^((−2)^(−1) )   y=(0.4)^(−2)   ⇒ 2x+4y=?

Answered by FilupSmith last updated on 25/Jan/17

x=4^((−2)^(−1) ) =4^(1/(−2)) =(1/2)  y=0.4^(−2) =((2/5))^(−2) =((25)/4)  2x+4y=2((1/2))+4(((25)/4))=1+25=26    2x+4y=26