InterviewSolution
Saved Bookmarks
| 1. |
If p/q = r/s = t/u = √5, then what is the value of [(3p2 + 4r2 + 5t2) /(3q2 + 4s2 + 5u2) ]?1). 1/52). 53). 254). 60 |
|
Answer» <P>Here, p = √5q ⇒ R = √5s ⇒ t = √5u Now, substituting above values in REQUIRED value ⇒ [(3(√5q) 2 + 4(√5s) 2 + 5(√5u) 2) /(3q2 + 4s2 + 5u2) ] ⇒ 5[(3q2 + 4s2 + 5u2)/(3q2 + 4s2 + 5u2) ] ∴ answer is 5 |
|