Question Number 149060 by mathdanisur last updated on 02/Aug/21

if   4z(√z) − 11(√z) = 5  find   2z − (√z) = ?

Answered by bramlexs22 last updated on 02/Aug/21

⇒(√z) = u   ⇒4z(√z)−(√z) = 5+10(√z)  ⇒(√z) (4z−1)=5(1+2(√z) )  ⇒(√z) (2(√z)−1)(2(√z)+1)=5(2(√z)+1)  ⇒(2(√z)+1){(√z) (2(√z)−1)−5}=0  2(√z) +1 = 0 ⇇ not possible  (√z) (2(√z)−1)−5=0  ⇒2z−(√z) = (√z) (2(√z)−1)= 5

Commented bymathdanisur last updated on 02/Aug/21

Thank You Ser