Question
The ratio of roots of an equation ax²+bx+b
= 0 is p : q Then find, √p/√q + √q/√p + √p/√q ?Solution
ax²+bx+b = 0 α/β = p/q p+q = - b/a p×q = b/a ⇒ √p/√q + √q/√p + √p/√q ⇒ (p+q)/√pq + √b/√a ⇒ - √b/√(b/a) + √b/√q ⇒ - √b/√a + √b/√a = 0
Select the related number from the given alternatives:
467 : 165 :: 3518: ____
Select the option that is related to the third letter-cluster in the same way as the second letter-cluster is related to the first letter-cluster.
<...63 : 45 : : 85 : ?
If the 7th day of a month is 3 days earlier than Friday, then what day will be on the 19th day of the month?
Cobbler : Leather: : Weaver : ?
GIK : KMO :: PRT : ?
In a certain code language, FASHION is coded as 26 – 8 – 38, and ILLEGAL is coded as 33 – 5 – 20. How will IMPROVE be coded in that language?
Select the option that is related to the third number in the same way as the second number is related to the first number and the sixth number is relate...
From among the given alternatives select the one in which the set of numbers is most like the set of numbers given in the question.
Given set: (43, 20, 10)
Window : Curtain ::?:?
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