यदि (sqrt(a))/(sqrt(b))+(sqrt(b))/(sqrt(...

यदि `(sqrt(a))/(sqrt(b))+(sqrt(b))/(sqrt(a))=(20)/(8) ` एवं a+b=5 है तो a.b का मान होगा -

A

8

B

6

C

4

D

5

लिखित उत्तर

Verified by Experts

The correct Answer is:

C

Promotional Banner

Promotional Banner

Recommended Questions

यदि (sqrt(a))/(sqrt(b))+(sqrt(b))/(sqrt(a))=(20)/(8) एवं a+b=5 है तो ...
Text Solution
|
if B=(12)/(3+sqrt(5)+sqrt(8)) and A=sqrt(1)+sqrt(5)+sqrt(8)-sqrt(10) t...
Text Solution
|
If A=sqrt(8)+sqrt(5) and B=sqrt(8)-sqrt(5) ,then (A+B)^(2)+(A-B)^(2) i...
Text Solution
|
यदि सदिश a तथा b रेखीय स्वतन्त्र हो तथा (sqrt(3)tantheta+1)a+(sqrt(3)s...
Text Solution
|
If sqrt(28-6 sqrt3)= sqrt3a+b , ( where a, b are rational), value of (...
Text Solution
|
किसी घनात्मक पूर्णांक n के लिए यदि, (1)/(sqrt(4)+sqrt(5))+(1)/(sqrt(...
Text Solution
|
यदि x+(1)/(x)=sqrt(3) है तब x^(3)+(1)/(x^(3)) का मान होगा -
Text Solution
|
If a nine-digit number 389x6378y is divisible by 72, then the value of...
Text Solution
|
If the 11-digit number 5678x43267y is divisible by 72, then the value ...
Text Solution
|