(2 sqrt(392) - 21) + (sqrt(8) -7)^(2) = ...

`(2 sqrt(392) - 21) + (sqrt(8) -7)^(2) = (?)^(2)`

A

5

B

6

C

7

D

8

Verified by Experts

The correct Answer is:

B

(2 sqrt(392) - 21) + (sqrt(8) -7)^(2) = (?)^(2)
Text Solution
|
Check whether 7sqrt(5),7/(sqrt(5)),sqrt(2)+21 ,pi-2are irrational numb...
Text Solution
|
Simplify the following expressions: (i)(11+sqrt(11))(11-sqrt(11)) ...
Text Solution
|
Simplify the following expressions: (i)\ (11+sqrt(11))\ (11-\ sqrt(11)...
Text Solution
|
Prove that: 1/(1+sqrt(2))+1/(sqrt(2)+sqrt(3))+1/(sqrt(3)+\ sqrt(4))+1/...
Text Solution
|
(2/(sqrt(6)+2)+1/(sqrt(7)+sqrt(6))+1/(sqrt(8)-sqrt(7))+2-2sqrt(2)) के ...
Text Solution
|
Rationailise the denominatios (1)/(sqrt(7)+sqrt(2))-(sqrt(7)+sqrt(2))/...
Text Solution
|
जाँच किजिए कि 7sqrt(5), (7)/(sqrt(5)), sqrt(2) + 21, pi-2 अपरिमेय संख...
Text Solution
|
मान ज्ञात कीजिए - (sqrt(8)-sqrt(2))(sqrt(8)+sqrt(2))
Text Solution
|