Subject
Quantitative Aptitude
Topic
General Formula
(4+√5)(4-√5) is equal to:
(4+√5)(4-√5) is equal to:
ক)
-1খ)
0গ)
11ঘ)
21Explanation
(4+√5)(4-√5) =(4)2-(√5)2 =16-5 =11Related questions
If a+ b = √ 3 and a-b= √ 2 what is the value of 8ab(a2+b2)?If x + y = a and x-y = b then 2xy = ?Which one of the followings is the simplified results of a – {b – (c – d)}?If a-b=3 and a2+b2= Find the value of ab?If x+y= 19 and x-y= 11, then what is the value of 2x2+ 2y2?If √(3-2x) =1 ,then what is the value of (3-2x)+ (3-2x)2?What is the larger root of the equation of x?If a =2/3 and b=5/7, then find the value of (a+ b)/ (a-b)?
