Subject
Quantitative Aptitude
Topic
Solution
a+b = √3 and a-b=√2 হলে 8ab(a2+ b2)=?
a+b = √3 and a-b=√2 হলে 8ab(a2+ b2)=?
ক)
12খ)
10গ)
8ঘ)
5Explanation
a+b = √3 and a-b=√2 8ab(a2 + b2) =4ab. 2(a2 + b2) = {(a+b)2-(a-b)2 }* {(a+b)2+(a-b)2 } = {(√3)2 - (√2)2}{(√3)2 + (Related questions
If A+B+C=10, A+B = 7 and A-B =5, What is the value of C?If x=1 - q and y = 2q+1 , then for what value of q. x is equal to y ?Which one of the following is a solution to the equation x4– 2x2= -1?If 3√x = 2√3, What is the value of x?50 g of an alloy of gold and silver contains 80% gold(by weight). The quantity of gold, that is to be mixedup with this alloy, so that it may contain 95% gold is?If x = y + 4 and x = 20-y, then x2-y2=If (4-x)/(2+x) = x, what is the value of x2+ 3x -4?If n is a number such that (-8)2n = 28+2n, then n=